Great website to look up piano serial numbers which correspond with the year they were made: http://www.bluebookofpianos.com/serial1.htm
Between 1976-1978, probably during 1977
While the Sohmer aand Co. chart only provides rough estimates of serial mubers, it can be estimated that your piano, with a serial number of 72123 was made sometime between 1925 and 1930. You can extrapolate this because the serial number listed for the year 1925 is 60750, and the serial number listed for 1930 is 76500, so it would have to have been made sometime during this period.
There is no piano records of a Sohmer that has a serial number of 155346. Try looking again at the brand or serial number. I've added a link that lists every piano's brand and number.
where is my serial number on my kranich&bach piano
The krell piano serial 10533
How old is a Packard Piano serial # 134410
According to my copy of the Pierce Piano Atlas, the Baldwin piano with serial number 127398 was manufactured in 1954.
What is the age of sohmer and co piano serial number 46400
There is no piano records of a Sohmer that has a serial number of 155346. Try looking again at the brand or serial number. I've added a link that lists every piano's brand and number.
Sohmer Piano Building was created in 1898.
where is my serial number on my kranich&bach piano
How old is a Kranich & Bach piano with serial number 65053?
The krell piano serial 10533
How old is Whitney chicago piano with serial number 139896
How old is a Packard Piano serial # 134410
The age of a Kimball piano with the serial number 36415 is 119 years old. The serial number indicates it was manufactured in 1895.
According to my copy of the Pierce Piano Atlas, the Baldwin piano with serial number 127398 was manufactured in 1954.
You left out the serial number.
What is the age of a weser bros upright piano serial number 263572