The following list of numbers represents the date of manufacture followed by the piano serial numbers. The letters ‘sn’ mean serial number.
Services
“Piano Tuning and Piano Transportation anywhere in the UK.
Also, Trade-ins and Pianos Bought” — Call 01327 300 016″
Piano Manufacturer: Yamaha
1958 sn-89000 1968 sn-689000 1978 sn-2583000 1988 sn-4492000
1959 sn-1030001969 sn-809000 1979 sn-2812000 1989 sn-4650000
1960 sn-1220001970 sn-978000 1980 sn-3000100 1990 sn-4808000
1961 sn-1490001971 sn-1169000 1981 sn-3261000 1991 sn-4966000
1962 sn-1880001972 sn-1317000 1982 sn-3464000 1992 sn-5124000
1963 sn-2370001973 sn-1510000 1983 sn-3646000 1993 sn-5282000
1964 sn-2980001974 sn-1743000 1984 sn-3832000 1994 sn-5440000
1965 sn-3680001975 sn-1943000 1985 sn-3988000 1995 sn-5598000
1966 sn-4890001976 sn-2144000 1986 sn-4157000 1996 sn-5756000
1967 sn-5700001977 sn-2383000 1987 sn-4335000
Yamaha America, South Haven, Michigan (Letter U.)
1974 sn-101000 1978 sn-117000 1982 sn-150000 1986 sn-186000
1975 sn-102000 1979 sn-124000 1983 sn-160000 1987 sn-198000
1976 sn-107000 1980 sn-132000 1984 sn-167000 1988 sn-210000
1977 sn-110000 1981 sn-141000 1985 sn-174000 1980 sn-220000
Yamaha America, Thomaston, Ga. (Letter T.)
1983 sn-500000 1985 sn-503000 1987 sn-100000 1989 sn-110000
1984 sn-501500 1986 sn-504050 1988 sn-102200 1990 sn-119000
Piano Manufacturer: Young Chang
Upright Pianos
1978 sn-7800001981 sn-810000 1984 sn-009400 1987 sn-0261000
1979 sn-7900001982 sn-001000 1985 sn-014700 1988 sn-1300000
1980 sn-8000001983 sn-004000 1986 sn-019950 1989 sn-1433342
Grand Pianos
1978 sn-780000 1981 sn-810000 1984 sn-011000 1987 sn-026100
1979 sn-790000 1982 sn-004700 1985 sn-016000 1988 sn-032000
1980 sn-800000 1983 sn-007300 1986 sn-019600 1989 sn-045739
Piano Manufacturer: Zimmermann
1960 sn-195001 1965 sn-215001 1970 sn-246001 1980 sn-400001