Often start with 25xxxx (e.g., flutes from 1987) or consist of shorter four-digit numbers like 43xx .
Unlike some mass-produced instruments, Miyazawa places serial numbers in locations that balance accessibility with aesthetic integrity. Miyazawa Serial Numbers
: Tiny numbers engraved on the side of one of the ribs (the metal bars connecting the keys to the body). Under the C Key Often start with 25xxxx (e