Eko guitar serial number system is notoriously inconsistent, making a simple "lookup" for older models difficult. However, for modern series like the produced around 2021, the system is much more direct. Eko Guitars Decoding Modern Eko Serial Numbers (2020-2021+) For recent models like the NXT Series
C or no letter + numeric = ChineseI = IndonesianS + number = Italian (rare for 2021)Eko (Eko Musical Instruments, based in Recanati, Italy) has a complex history of serialization that varies significantly by era (vintage Italian vs. modern Chinese/Indonesian production). For 2021 models, serial numbers follow a modern alphanumeric format that can be decoded, but no official public-facing database exists for consumer lookup. Instead, serial numbers from 2021 can be interpreted by understanding Eko’s post-2010 coding logic, which includes manufacturing year, month, batch, and production origin. eko guitar serial number lookup 2021
Here is a general decoding key based on years of collector consensus: Eko guitar serial number system is notoriously inconsistent,