Buffet-Crampon Buescher “Model 5” Bb/A trumpet with Buescher’s Epoch valve system, 1918 (design circa 1907) Buescher “Model 10 True-Tone” Bb/A trumpet, 1922. There is a picture of that below, but it was hard to get a good one of it. Years and Serial Numbers are Approximate. There is a floral design on the bell that has that information on the sax. In MOST Buecher trumpets in the 1950s and earlier, you can find the serial number here as well. 1926 buescher soprano saxophone (seattle) Sold at 900 $ 1926 buescher soprano saxophone, serial number 192, xxx. 18 April 2021 buescher elkhart trumpet serial numbers