{"product_id":"2025-martin-custom-shop-d-18-authentic-1937-sinker-mahogany-mar-10ce-11sm-used-2985526","title":"2025 Martin Custom Shop D-18 Authentic 1937 Sinker Mahogany","description":"\u003cdiv class=\"qMYqUG_convSearchResultHighlightRoot\"\u003e\n\u003cdiv class=\"\" data-turn-id-container=\"request-WEB:40f9ccc2-e6a5-47bc-b253-25284ee5ba45-3\" data-is-intersecting=\"true\"\u003e\n\u003csection class=\"text-token-text-primary w-full focus:outline-none has-data-writing-block:pointer-events-none [\u0026amp;:has([data-writing-block])\u0026gt;*]:pointer-events-auto R6Vx5W_threadScrollVars scroll-mb-[calc(var(--scroll-root-safe-area-inset-bottom,0px)+var(--thread-response-height))] scroll-mt-[calc(var(--header-height)+min(200px,max(70px,20svh)))]\" dir=\"auto\" data-turn-id=\"request-WEB:40f9ccc2-e6a5-47bc-b253-25284ee5ba45-3\" data-turn-id-container=\"request-WEB:40f9ccc2-e6a5-47bc-b253-25284ee5ba45-3\" data-testid=\"conversation-turn-8\" data-turn=\"assistant\"\u003e\n\u003cdiv class=\"text-base my-auto mx-auto pb-10 [--thread-content-margin:var(--thread-content-margin-xs,calc(var(--spacing)*4))] @w-sm\/main:[--thread-content-margin:var(--thread-content-margin-sm,calc(var(--spacing)*6))] @w-lg\/main:[--thread-content-margin:var(--thread-content-margin-lg,calc(var(--spacing)*16))] px-(--thread-content-margin)\"\u003e\n\u003cdiv data-conversation-screenshot-content=\"\" class=\"[--thread-content-max-width:40rem] @w-lg\/main:[--thread-content-max-width:48rem] mx-auto max-w-(--thread-content-max-width) flex-1 group\/turn-messages focus-visible:outline-hidden relative flex w-full min-w-0 flex-col agent-turn\"\u003e\n\u003cdiv class=\"flex max-w-full flex-col gap-4 grow\"\u003e\n\u003cdiv data-message-author-role=\"assistant\" data-message-id=\"8dc0ef32-4b48-4ff9-9ddb-a0c220c9baad\" dir=\"auto\" data-message-model-slug=\"gpt-5-5\" class=\"min-h-8 text-message relative flex w-full flex-col items-end gap-2 text-start break-words whitespace-normal outline-none keyboard-focused:focus-ring [.text-message+\u0026amp;]:mt-1\" data-turn-start-message=\"true\" tabindex=\"0\"\u003e\n\u003cdiv class=\"flex w-full flex-col gap-1 empty:hidden\"\u003e\n\u003cdiv class=\"markdown prose dark:prose-invert wrap-break-word w-full light markdown-new-styling\"\u003e\n\u003cp data-start=\"0\" data-end=\"565\" class=\"PDq2pG_selectionAnchorContainer\"\u003eA remarkable recreation of one of Martin's most sought-after pre-war dreadnoughts, this 2025 Martin Custom Shop D-18 Authentic 1937 pairs an Adirondack spruce top with premium sinker mahogany back and sides for exceptional warmth, projection, and vintage-inspired responsiveness. Built using hide glue construction with Authentic 1937 forward-shifted scalloped bracing, this Custom Shop model captures the character and feel of a golden-era D-18 while offering outstanding craftsmanship and premium materials throughout. Includes the original Martin hardshell case.\u003cspan aria-hidden=\"true\" class=\"PDq2pG_selectionAnchor\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003chr data-start=\"567\" data-end=\"570\"\u003e\n\u003cp data-start=\"572\" data-end=\"671\"\u003e\u003cstrong data-start=\"572\" data-end=\"586\"\u003eCondition:\u003c\/strong\u003e Excellent, impression on bottom bout treble side and some light worming on the back.\u003c\/p\u003e\n\u003chr data-start=\"673\" data-end=\"676\"\u003e\n\u003cp data-start=\"678\" data-end=\"2251\" data-is-last-node=\"\" data-is-only-node=\"\"\u003e\u003cstrong data-start=\"678\" data-end=\"687\"\u003eYear:\u003c\/strong\u003e 2025\u003cbr data-start=\"692\" data-end=\"695\"\u003e\u003cstrong data-start=\"695\" data-end=\"705\"\u003eModel:\u003c\/strong\u003e Custom Shop D-18 Authentic 1937\u003cbr data-start=\"737\" data-end=\"740\"\u003e\u003cstrong data-start=\"740\" data-end=\"748\" data-is-only-node=\"\"\u003eTop:\u003c\/strong\u003e Adirondack Spruce\u003cbr data-start=\"766\" data-end=\"769\"\u003e\u003cstrong data-start=\"769\" data-end=\"786\"\u003eBack \u0026amp; Sides:\u003c\/strong\u003e Sinker Mahogany\u003cbr data-start=\"802\" data-end=\"805\"\u003e\u003cstrong data-start=\"805\" data-end=\"820\"\u003eTop Finish:\u003c\/strong\u003e Vintage Gloss\u003cbr data-start=\"834\" data-end=\"837\"\u003e\u003cstrong data-start=\"837\" data-end=\"860\"\u003eBack \u0026amp; Side Finish:\u003c\/strong\u003e Vintage Gloss, Dark Mahogany\u003cbr data-start=\"889\" data-end=\"892\"\u003e\u003cstrong data-start=\"892\" data-end=\"906\"\u003eTop Color:\u003c\/strong\u003e Aging Toner\u003cbr data-start=\"918\" data-end=\"921\"\u003e\u003cstrong data-start=\"921\" data-end=\"935\"\u003eBody Size:\u003c\/strong\u003e Authentic D-14 Fret\u003cbr data-start=\"955\" data-end=\"958\"\u003e\u003cstrong data-start=\"958\" data-end=\"975\"\u003eConstruction:\u003c\/strong\u003e Dovetail Neck Joint, Hide Glue Construction\u003cbr data-start=\"1019\" data-end=\"1022\"\u003e\u003cstrong data-start=\"1022\" data-end=\"1042\"\u003eBracing Pattern:\u003c\/strong\u003e Authentic 1937 Forward Shifted X-Brace\u003cbr data-start=\"1081\" data-end=\"1084\"\u003e\u003cstrong data-start=\"1084\" data-end=\"1100\"\u003eBrace Shape:\u003c\/strong\u003e Scalloped\u003cbr data-start=\"1110\" data-end=\"1113\"\u003e\u003cstrong data-start=\"1113\" data-end=\"1132\"\u003eBrace Material:\u003c\/strong\u003e Adirondack Spruce\u003cbr data-start=\"1150\" data-end=\"1153\"\u003e\u003cstrong data-start=\"1153\" data-end=\"1168\"\u003eBrace Size:\u003c\/strong\u003e 5\/16\"\u003cbr data-start=\"1174\" data-end=\"1177\"\u003e\u003cstrong data-start=\"1177\" data-end=\"1189\"\u003eBinding:\u003c\/strong\u003e Brown Faux Tortoise\u003cbr data-start=\"1209\" data-end=\"1212\"\u003e\u003cstrong data-start=\"1212\" data-end=\"1226\"\u003eTop Inlay:\u003c\/strong\u003e Multi-Stripe\u003cbr data-start=\"1239\" data-end=\"1242\"\u003e\u003cstrong data-start=\"1242\" data-end=\"1254\"\u003eRosette:\u003c\/strong\u003e Old Style 18 Multi-Stripe\u003cbr data-start=\"1280\" data-end=\"1283\"\u003e\u003cstrong data-start=\"1283\" data-end=\"1294\"\u003eBridge:\u003c\/strong\u003e Ebony, 1930 Style Belly with Glue-in Long Saddle\u003cbr data-start=\"1343\" data-end=\"1346\"\u003e\u003cstrong data-start=\"1346\" data-end=\"1372\"\u003eBridge String Spacing:\u003c\/strong\u003e 2-1\/4\"\u003cbr data-start=\"1379\" data-end=\"1382\"\u003e\u003cstrong data-start=\"1382\" data-end=\"1398\"\u003eBridge Pins:\u003c\/strong\u003e Black Plastic\u003cbr data-start=\"1412\" data-end=\"1415\"\u003e\u003cstrong data-start=\"1415\" data-end=\"1429\"\u003ePickguard:\u003c\/strong\u003e Faux Tortoise\u003cbr data-start=\"1443\" data-end=\"1446\"\u003e\u003cstrong data-start=\"1446\" data-end=\"1457\"\u003eSaddle:\u003c\/strong\u003e Bone\u003cbr data-start=\"1462\" data-end=\"1465\"\u003e\u003cstrong data-start=\"1465\" data-end=\"1483\"\u003eSaddle Radius:\u003c\/strong\u003e 16\"\u003cbr data-start=\"1487\" data-end=\"1490\"\u003e\u003cstrong data-start=\"1490\" data-end=\"1502\"\u003eHeelcap:\u003c\/strong\u003e Ebony\u003cbr data-start=\"1508\" data-end=\"1511\"\u003e\u003cstrong data-start=\"1511\" data-end=\"1524\"\u003eEndpiece:\u003c\/strong\u003e Brown Faux Tortoise\u003cbr data-start=\"1544\" data-end=\"1547\"\u003e\u003cstrong data-start=\"1547\" data-end=\"1571\"\u003eBack Purfling\/Strip:\u003c\/strong\u003e East Indian Rosewood\u003cbr data-start=\"1592\" data-end=\"1595\"\u003e\u003cstrong data-start=\"1595\" data-end=\"1604\"\u003eNeck:\u003c\/strong\u003e Genuine Mahogany\u003cbr data-start=\"1621\" data-end=\"1624\"\u003e\u003cstrong data-start=\"1624\" data-end=\"1641\"\u003eNeck Profile:\u003c\/strong\u003e D-18 Authentic 1937 Barrel \u0026amp; Heel\u003cbr data-start=\"1675\" data-end=\"1678\"\u003e\u003cstrong data-start=\"1678\" data-end=\"1693\"\u003eNeck Taper:\u003c\/strong\u003e Standard Taper\u003cbr data-start=\"1708\" data-end=\"1711\"\u003e\u003cstrong data-start=\"1711\" data-end=\"1726\"\u003eNeck Color:\u003c\/strong\u003e Dark Mahogany\u003cbr data-start=\"1740\" data-end=\"1743\"\u003e\u003cstrong data-start=\"1743\" data-end=\"1759\"\u003eNeck Finish:\u003c\/strong\u003e Vintage Gloss\u003cbr data-start=\"1773\" data-end=\"1776\"\u003e\u003cstrong data-start=\"1776\" data-end=\"1793\"\u003eScale Length:\u003c\/strong\u003e 25.4\"\u003cbr data-start=\"1799\" data-end=\"1802\"\u003e\u003cstrong data-start=\"1802\" data-end=\"1817\"\u003eNeck Joint:\u003c\/strong\u003e 14th Fret\u003cbr data-start=\"1827\" data-end=\"1830\"\u003e\u003cstrong data-start=\"1830\" data-end=\"1846\"\u003eFingerboard:\u003c\/strong\u003e Ebony\u003cbr data-start=\"1852\" data-end=\"1855\"\u003e\u003cstrong data-start=\"1855\" data-end=\"1884\"\u003eFingerboard Width at Nut:\u003c\/strong\u003e 1-3\/4\"\u003cbr data-start=\"1891\" data-end=\"1894\"\u003e\u003cstrong data-start=\"1894\" data-end=\"1929\"\u003eFingerboard Width at 12th Fret:\u003c\/strong\u003e 2-1\/4\"\u003cbr data-start=\"1936\" data-end=\"1939\"\u003e\u003cstrong data-start=\"1939\" data-end=\"1949\"\u003eFrets:\u003c\/strong\u003e 20\u003cbr data-start=\"1952\" data-end=\"1955\"\u003e\u003cstrong data-start=\"1955\" data-end=\"1978\"\u003eFingerboard Inlays:\u003c\/strong\u003e Old Style 18, Abalone\u003cbr data-start=\"2000\" data-end=\"2003\"\u003e\u003cstrong data-start=\"2003\" data-end=\"2017\"\u003eSide Dots:\u003c\/strong\u003e Antique White\u003cbr data-start=\"2031\" data-end=\"2034\"\u003e\u003cstrong data-start=\"2034\" data-end=\"2054\"\u003eHeadstock Shape:\u003c\/strong\u003e Solid with Square Taper\u003cbr data-start=\"2078\" data-end=\"2081\"\u003e\u003cstrong data-start=\"2081\" data-end=\"2095\"\u003eHeadplate:\u003c\/strong\u003e East Indian Rosewood\u003cbr data-start=\"2116\" data-end=\"2119\"\u003e\u003cstrong data-start=\"2119\" data-end=\"2138\"\u003eHeadplate Logo:\u003c\/strong\u003e Script Golden Era Overlay\u003cbr data-start=\"2164\" data-end=\"2167\"\u003e\u003cstrong data-start=\"2167\" data-end=\"2175\"\u003eNut:\u003c\/strong\u003e Bone\u003cbr data-start=\"2180\" data-end=\"2183\"\u003e\u003cstrong data-start=\"2183\" data-end=\"2194\"\u003eTuners:\u003c\/strong\u003e Waverly Nickel Open Back\u003cbr data-start=\"2219\" data-end=\"2222\"\u003e\u003cstrong data-start=\"2222\" data-end=\"2240\"\u003eTuner Buttons:\u003c\/strong\u003e Butterbean\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Martin","offers":[{"title":"Default Title","offer_id":43755859181627,"sku":"mar-10CE-11SM-used-2985526","price":5499.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0265\/6190\/4699\/files\/2985526-3_00518dd9-8605-4225-9f30-98713fe74aa8.jpg?v=1783433857","url":"https:\/\/willcuttguitars.com\/products\/2025-martin-custom-shop-d-18-authentic-1937-sinker-mahogany-mar-10ce-11sm-used-2985526","provider":"Willcutt Guitars","version":"1.0","type":"link"}