Proofhouse.com has Colt sn data.
about 1920
Not necessarily. There are a number of rounds marketed as .32 Caliber or 7.65. .32 Automatic Colt Pistol, .32 Auto, 7.65x17SR, 7.65 Browning, and 7.65 Browning SR refer to the same cartridge. They are not compatible with other .32/7.65mm cartridges such as the .32 Long Colt, .32 NAA, and others.
You can call Colt and give them the serial number or you can look it up in the Blue Book of Gun Values.
I have a colt 32 automatic hammerless pistol and i would like to know the value of it.
Some were made in .38 Colt New Police caliber.
32 caliber is a little smaller then the 38 caliber
No
about 1920 the value would depend of overall condition of pistol.
10-1000 usd
ACP stands for Automatic Colt Pistol. They are the same.
it is a 32 cal. semi automatic