| Feature | Approximate Year | Notes | | :--- | :--- | :--- | | | 1960-1963 | Very rare | | "Eko" in a rounded rectangle (cupboard handle logo) | 1964-1967 | Most collectible era | | "Eko" in a sharp, angled trapezoid | 1968-1972 | Late 60s transitional | | Pickups: Single-coil "toaster" with adjustable poles | 1964-1966 | Found on Eko 500 | | Pickups: Chrome-covered humbucker (Italian-made) | 1970-1975 | Found on Eko 700 | | Zero fret | All 1960s-70s Eko | Almost always present | | Rocking vibrato (the "Eko tremolo") | 1965-1970 | Unique to Eko |
Furthermore, Eko used at least five different serial number formats depending on the model (acoustic, electric, bass, amplifier) and the factory (Recanati vs. other outsourced production). This means a simple requires you to first identify the type of Eko you own. Eko Guitar Serial Number Lookup
Instead, you must cross-reference serial numbers with structural hardware evolutions, internal soundhole labels, and headstock logo redesigns. | Feature | Approximate Year | Notes |
If you have a letter prefix, you can reliably date the guitar to within 2-3 years. Example: Serial #E21000 is likely a 1976 Eko Cobra. internal soundhole labels