The following list of numbers represents the date of manufacture followed by the piano serial numbers. The letters ‘sn’ mean serial number.
Piano Manufacturer: Kawai
1950 sn-14200
1952 sn-15000
1955 sn-20590
1958 sn-23200
1960 sn-26000
1964 sn-13230
1965 sn-16517
1966 sn-20343
1967 sn-251660
1968 sn-303686
1969 sn-369088
1970 sn-425121
1971 sn-488834
1972 sn-558216
1973 sn-633601
1974 sn-718768
1975 sn-785568
1976 sn-844362
1977 sn-904384
1978 sn-973490
1979 sn-1067130
1980 sn-1126366
1981 sn-1219355
1982 sn-1300000
1983 sn-1372000
1984 sn-1465000
1985 sn-1549000
1986 sn-1627000
1987 sn-1704000
1988 sn-1779000
1989 sn-1850000
1990 sn-1921000
Piano Manufacturer: Kemble
1930 – 32,100
1931 – 34,600
1932 – 37,500
1933 – 39,600
1934 – 43,000
1935 – 47,000
1936 – 52,000
1937 – 57,600
1938 – 62,600
1939 – 67,300
1940 – 70,900
1941 – 73,500
1942 – 74,500
1946 – 75,000
1947 – 76,100
1948 – 77,600
1949 – 79,500
1950 – 81,700
1951 – 84,200
1952 – 87,000
1953 – 90,000
1954 – 92,500
1955 – 95,000
1956 – 97,500
1957 – 100,500
1958 – 103,500
1959 – 106,300
1960 – 109,700
1961 – 113,200
1962 – 116,200
1963 – 118,500
1964 – 120,800
1965 – 123,500
1966 – 126,100
1967 – 129,200
1968 – 131,200
1969 – 134,100
1970 – 139,100
1971 – 143,500
1972 – 148,000
1973 – 153,500
1974 – 159,500
1975 – 165,800
1976 – 172,000
1977 – 178,600
1978 – 188,550
1979 – 191,500
1980 – 197,980
1981 – 202,385
1982 – 211,495
1983 – 211,495
1984 – 212,842
1985 – 217,811
1986 – 222,207
1987 – 223,395
1988 – 229,195
1989 – 234,995
1990 – 235,000
1991 – 240,952
1992 – 247,101
1993 – 252,854
1994 – 257,593
1995 – 262,730
1996 – 267,729
1997 – 279,322
1998 – 286,284
1999 – 292,160
2000 – 298,201