Maker history, dating method and field guides — everything we learned compiling the serial tables, written down.
Yamaha has never published a wind instrument serial chart — here is why the numbering makes lookup impossible, and the three things that still work.
2026-10-12 ↗Maker historyHow to tell a Bach trumpet’s era from its serial number — New York, Bronx, Mount Vernon and Elkhart periods, with the boundary numbers of each.
2026-10-12 ↗Field guideThe common serial number locations on trumpets, trombones, horns and tubas — the valve casing rule, trombone bells, rotor horns and the exceptions.
2026-10-12 ↗MethodSerial charts mark the year a number block was allocated, not the day an instrument was finished — why the archive answers with ranges, and why that is more honest.
2026-10-12 ↗Buying guideThe “other” names on brass instruments — stencil and student brands made by the major factories, and how each one is dated through its parent’s serial tables.
2026-10-12 ↗StarterA practical three-step method to date a trumpet by serial number — find the maker, read the complete number, check the archive — with the common pitfalls.
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