If the serial number is missing or illegible, look for these design changes: Logo Style:
This comprehensive guide breaks down how to read Morris guitar serial numbers, identify production decades, and verify the authenticity of your vintage Japanese instrument. 1. Where to Find the Serial Number
: Many 1970s models use the first two digits to indicate the year. For example, a serial number starting with typically points to The "W" Series Hierarchy
Dating a Morris guitar by its serial number is notoriously tricky because the Japanese manufacturer, Moridaira, used several inconsistent systems across different eras and factories. Unlike brands like Fender or Gibson, there is no single "master list" that covers every model. 1. Where to Find the Serial Number morris guitar serial numbers
Because there is no official Morris database, guitar historians have reverse-engineered the numbering systems. Below is the consensus system used by vintage Japanese guitar forums (Vintage Japan Guitars, Acoustic Guitar Forum).
By decoding your Morris guitar's serial number, you can:
Post clear photos (including close-ups of the headstock, label, sound hole, and any hardware) to acoustic guitar forums or Morris enthusiast groups. Experienced collectors can often identify the era and model from visual details alone. If the serial number is missing or illegible,
The first two digits typically represent the year of manufacture.
: The next two digits represent the month (e.g., "01" for January).
: Labels often featured "Yoshino Musical Instruments" or older circular designs. Late 1970s/1980s : Standard "Morris" rectangle labels. For example, a serial number starting with typically
: High-end vintage models were often inspected and signed by master luthiers like Ryoji Matsuoka
Often indicates production at the Terada factory, known for high-quality hollow-body and acoustic builds.
When Morris re-entered the U.S. market in 2001 after a lengthy absence, they introduced a more systematic numbering approach. Many modern Morris guitars use a serial number where the , the next two digits indicate the month , and the remaining digits represent a sequential production number.