Vintage reissues in 2021 sometimes used retro-style stamps without clear dating.
Used during the mid-60s "Ranger" series peak. Gold Decals: Seen on late 70s and 80s reissue models. 2. The Neck Plate
Since there is no official Eko serial number lookup database launched in 2021, you must use a multi-step approach. Here is the exact workflow collectors and dealers use today:
Most Eko guitars have the serial number stamped or printed on the back of the headstock. Neck Plate: