| Serial Position | What It Means | Example | Notes |
|---|---|---|---|
| 1st Character | Factory Code | H = Hamamatsu, Japan T = Tenryu, Japan K = Kaohsiung, Taiwan |
K typically post-1980 production |
| 2nd Character | Production Year | 0-9 (1980-1989 for later models) | Earlier guitars use slightly different systems |
| 3rd Character (or 3rd & 4th) | Production Month | 1-9 (Jan-Sep) 10, 11, 12 (Oct-Dec) |
Two digits used for October through December |
| Remaining Characters | Production Sequence | 34567 | Unit number within that month's production run |
| Full Example | H8234567 | Hamamatsu factory, 1978, February, unit #34567 | All elements should align logically |
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onlinemusicdev
/ yamaha-sg2000-serial-number-format-and-location.md
Created
January 18, 2026 05:15
Yamaha SG2000 Serial Number Format and Location
onlinemusicdev
/ fenders-serial-number-systems.md
Created
December 26, 2025 13:39
Fender's serial number systems
| Era | Location | Format | Red Flags |
|---|---|---|---|
| 1950-1963 | Bridge plate or neck plate | 4-5 digits | Overlapping years; verify with other features |
| 1963-1965 | Neck plate (with "L" prefix) | L + 5 digits | The "L" should be stamped, not engraved |
| 1976-Present | Headstock (front) | Letter prefix + 6-7 digits | Font inconsistencies; verify prefix codes |
onlinemusicdev
/ gibson-les-paul-headstock-checklist.md
Last active
November 29, 2025 20:28
Gibson Les Paul Headstock Checklist
| Authenticity Indicator | Real Gibson | Counterfeit |
|---|
onlinemusicdev
/ fender-serial-number-timeline.md
Created
November 28, 2025 05:07
Fender Serial Number Timeline
| Era | System Type | Example Format |
|---|---|---|
| 1950-1963 | Sequential | 12345 |
| 1963-1965 | L Series | L12345 |
| 1965-1976 | F Series | F123456 |
| 1976-Present | Letter Prefix | S6123456 |