As of November 2013, the age of a Baldwin piano with serial number 246905 would be 32 years old.
According to my copy of the Pierce Piano Atlas, the Baldwin piano with serial number 127398 was manufactured in 1954.
1980
1986
According to bluebookofpianos.com, an Acrosonic piano with this serial number would have been manufactured in 1964.
Baldwin started manufacturing in 1959 at serial number 655948 and then 1960 at serial number 679844. In that case, the serial number 673394 would belong to a Baldwin piano produced some time in the second half of 1959.
How old is this piano with serial number 1510355
This serial number is not available. I have 278556 ultrasonic Baldwin piano is in 1988.
According to my copy of the Pierce Piano Atlas, the Baldwin piano with serial number 127398 was manufactured in 1954.
1980
1986
207 years
Very old about 209 years old
According to bluebookofpianos.com, an Acrosonic piano with this serial number would have been manufactured in 1964.
Baldwin started manufacturing in 1959 at serial number 655948 and then 1960 at serial number 679844. In that case, the serial number 673394 would belong to a Baldwin piano produced some time in the second half of 1959.
464712
I may be able to help with the age. I have a Baldwin Serial number 1324731, Style 2015C. It is a Baldwin console, oak wood, deluxe 88 note piano purchased in April of 1983 for approx. $2,900.00. At the time of purchase I was living in Gillette, Wyoming and had purchased it from Weber Piano & Organ Company.
According to the serial number provided, it was built in 1942. According to bluebookofpianos dot com, it was built in 1995.