# Martin 00021

The Martin 000-21 acoustic guitar has a used resale value of $14,900 [4]. This model is part of Martin's classic 000 series and is known for its rich tone and craftsmanship. Factors that can influence its value include the condition, originality, and any included accessories (like case or certificate of authenticity). You can compare current eBay asking prices shown on this page to see if the item is priced competitively.

## Items referenced

| Item | Used | New | Page | Sold comps |
| --- | --- | --- | --- | --- |
| Martin 000-45 — Guitar Resale Value | $154995 | — | [view](https://junkpal.ai/products/martin-000-45-acoustic-guitars-reverb) | [eBay](https://junkpal.ai/api/go?to=https%3A%2F%2Fwww.ebay.com%2Fsch%2Fi.html%3F_nkw%3DMartin%2520000-45%26LH_Sold%3D1%26LH_Complete%3D1%26mkcid%3D1%26mkrid%3D711-53200-19255-0%26siteid%3D0%26campid%3D5339166094%26toolid%3D10001%26mkevt%3D1%26customid%3Dmd-answer-sold&p=md-answer-sold) |
| Martin 000-28 — Guitar Resale Value | $17999 | — | [view](https://junkpal.ai/products/martin-000-28-acoustic-guitars-reverb) | [eBay](https://junkpal.ai/api/go?to=https%3A%2F%2Fwww.ebay.com%2Fsch%2Fi.html%3F_nkw%3DMartin%2520000-28%26LH_Sold%3D1%26LH_Complete%3D1%26mkcid%3D1%26mkrid%3D711-53200-19255-0%26siteid%3D0%26campid%3D5339166094%26toolid%3D10001%26mkevt%3D1%26customid%3Dmd-answer-sold&p=md-answer-sold) |
| Martin 000-42 — Guitar Resale Value | $17500 | — | [view](https://junkpal.ai/products/martin-000-42-acoustic-guitars-reverb) | [eBay](https://junkpal.ai/api/go?to=https%3A%2F%2Fwww.ebay.com%2Fsch%2Fi.html%3F_nkw%3DMartin%2520000-42%26LH_Sold%3D1%26LH_Complete%3D1%26mkcid%3D1%26mkrid%3D711-53200-19255-0%26siteid%3D0%26campid%3D5339166094%26toolid%3D10001%26mkevt%3D1%26customid%3Dmd-answer-sold&p=md-answer-sold) |
| Martin 000-21 — Guitar Resale Value | $14900 | — | [view](https://junkpal.ai/products/martin-000-21-acoustic-guitars-reverb) | [eBay](https://junkpal.ai/api/go?to=https%3A%2F%2Fwww.ebay.com%2Fsch%2Fi.html%3F_nkw%3DMartin%2520000-21%26LH_Sold%3D1%26LH_Complete%3D1%26mkcid%3D1%26mkrid%3D711-53200-19255-0%26siteid%3D0%26campid%3D5339166094%26toolid%3D10001%26mkevt%3D1%26customid%3Dmd-answer-sold&p=md-answer-sold) |
| Martin 000-18 — Guitar Resale Value | $5750 | — | [view](https://junkpal.ai/products/martin-000-18-acoustic-guitars-reverb) | [eBay](https://junkpal.ai/api/go?to=https%3A%2F%2Fwww.ebay.com%2Fsch%2Fi.html%3F_nkw%3DMartin%2520000-18%26LH_Sold%3D1%26LH_Complete%3D1%26mkcid%3D1%26mkrid%3D711-53200-19255-0%26siteid%3D0%26campid%3D5339166094%26toolid%3D10001%26mkevt%3D1%26customid%3Dmd-answer-sold&p=md-answer-sold) |
| Martin 000-17 — Guitar Resale Value | $1839 | — | [view](https://junkpal.ai/products/martin-000-17-acoustic-guitars-reverb) | [eBay](https://junkpal.ai/api/go?to=https%3A%2F%2Fwww.ebay.com%2Fsch%2Fi.html%3F_nkw%3DMartin%2520000-17%26LH_Sold%3D1%26LH_Complete%3D1%26mkcid%3D1%26mkrid%3D711-53200-19255-0%26siteid%3D0%26campid%3D5339166094%26toolid%3D10001%26mkevt%3D1%26customid%3Dmd-answer-sold&p=md-answer-sold) |
| Martin 000-16E — Guitar Resale Value | $2023.2 | — | [view](https://junkpal.ai/products/martin-000-16e-acoustic-guitars-reverb) | [eBay](https://junkpal.ai/api/go?to=https%3A%2F%2Fwww.ebay.com%2Fsch%2Fi.html%3F_nkw%3DMartin%2520000-16E%26LH_Sold%3D1%26LH_Complete%3D1%26mkcid%3D1%26mkrid%3D711-53200-19255-0%26siteid%3D0%26campid%3D5339166094%26toolid%3D10001%26mkevt%3D1%26customid%3Dmd-answer-sold&p=md-answer-sold) |
| Martin 000-15M — Guitar Resale Value | $1400 | — | [view](https://junkpal.ai/products/martin-000-15m-acoustic-guitars-reverb) | [eBay](https://junkpal.ai/api/go?to=https%3A%2F%2Fwww.ebay.com%2Fsch%2Fi.html%3F_nkw%3DMartin%2520000-15M%26LH_Sold%3D1%26LH_Complete%3D1%26mkcid%3D1%26mkrid%3D711-53200-19255-0%26siteid%3D0%26campid%3D5339166094%26toolid%3D10001%26mkevt%3D1%26customid%3Dmd-answer-sold&p=md-answer-sold) |

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_Updated 2026-08-04._

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Source: [https://junkpal.ai/answers/martin-00021](https://junkpal.ai/answers/martin-00021) · JunkPal price guide (junkpal.ai)
Values are medians of real closed eBay sales — estimates for reference, not offers or appraisals.
More machine-readable surfaces: [/llms.txt](https://junkpal.ai/llms.txt)