This is Martin's D-10E Retro. It's a new electro-acoustic model released in January 2026. While it's an electro-acoustic, it also resonates well acoustically, with rich overtones and a sparkling sound. I bought it new at the end of January 2026 and have mostly kept it in its case without playing it much. I'm reluctantly selling it to raise funds. The original price was 198,000 yen. The accessories are as shown in the photos.