This rare Columbia AT phonograph has a very low serial number 201932.The serial number range is 201260 to 303568 for all AT's per The Columbia Phonograph Companion Volume 1,by Howard Hazelcorn.Only a few of these low serial number machines have surfaced in my 50+ years of collecting.At first glance the phonograph appears to be a model A,but upon closer inspection the ID plate shows it is an AT model and one look at the motor you realize it is a model AT.This machine looks fantastic and plays loud & clear.The reproducer has been rebuilt,new leather belt and upper works & motor cleaned and lubricated.The horn is NOT included in the auction as there are many to choose from on Ebay.The handling charge covers postal insurance.Please ask any questions prior buying.