Ivers and Pond Piano Serial Nos.

Year	Serial No.	Year	Serial No.
1902	31000	1946	80000
1904	35600	1948	82000
1906	40000	1950	84000
1908	44000	1952	85600
1910	48100	1954	86200
1912	51800	1956	86550
1914	55000	1958	87873
1916	60000	1960	91014
1918	65000	1962	94370
1920	68900	1964	100442
1922	71000	1966	109800
1924	73200	1968	116000
1926	75700	1970	121900
1928	76500	1972	127200
1930	77500	1974	135600
1932	77900	1976	140900
1934	78300	1978	144000
1936	78600	1980	148000
1938	79400	1982	145300
1940	79900	1983	162845

These serial numbers can be used only as a reference point
An Exact date does not make a material difference to an assessment of a piano - a year or so out 120 years ago really is neither here more there.

The idea that 100% accuracy for all piano makers over a century ago is an interesting thought - but considering that all record keeping would be hand-written and kept in large ledger books, inaccuracies are likely. These records will be as reliable as the clerks whose job it was to keep them. The digital age of barcodes and scanned labels was still in the realm of science fiction. So we have to be content with our best guess numbers.

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Ivers & Pond: Short History

Hamilton Piano Serial Nos.

Year	Serial No.	Year	Serial No.
1926	119000	1966	226950
1928	124500	1968	243877
1930	126000	1970	258837
1932	126800	1972	272308
1934	127300	1974	287616
1936	128000	1976	304497
1938	130000	1978	321020
1940	132000	1980	343950
1942	133900	1982	366819
1947	135000	1984	387119
1948	138000	1986	401172
1950	142300	1988	414349
1952	149000	1990	427993
1954	156200	1992	440915
1956	165711	1994	450198
1958	176707	1996	459495
1960	188249	1998	469198
1962	199523	2000	477951
1964	212312	2002	483743

These serial numbers can be used only as a reference point.
An Exact date does not make a material difference to an assessment of a piano - a year or so out 120 years ago really is neither here more there.

The idea that 100% accuracy for all piano makers over a century ago is an interesting thought - but considering that all record keeping would be hand-written and kept in large ledger books, inaccuracies are likely. These records will be as reliable as the clerks whose job it was to keep them. The digital age of barcodes and scanned labels was still in the realm of science fiction. So we have to be content with our best guess numbers.

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Chickering Piano Serial Nos.

Year	Serial No.	Year	Serial No.
1900	93000	1942	174700
1904	101000	1943	179500
1906	107000	1947	187000
1908	112000	1948	189200
1910	115000	1950	195000
1912	120000	1952	198400
1914	122500	1954	202400
1916	126000	1956	205900
1918	128500	1958	209300
1920	132500	1960	212750
1922	134400	1962	216488
1924	137600	1964	219221
1926	141600	1966	222963
1928	145400	1968	226928
1930	148400	1970	230300
1932	149800	1972	232410
1934	152500	1974	235824
1936	158200	1976	239340
1938	163000	1978	242694
1940	167200	1980	245989

These serial numbers can be used only as a reference point.
An Exact date does not make a material difference to an assessment of a piano - a year or so out 120 years ago really is neither here more there.

The idea that 100% accuracy for all piano makers over a century ago is an interesting thought - but considering that all record keeping would be hand-written and kept in large ledger books, inaccuracies are likely. These records will be as reliable as the clerks whose job it was to keep them. The digital age of barcodes and scanned labels was still in the realm of science fiction. So we have to be content with our best guess numbers.

Back to the Piano Atlas