The King 3B is a medium-bore trombone currently manufactured by Conn-Selmer, Inc and sold as the 'King 2103 Legend 3B.' Popular with professional jazz. United States; Trombones. King; Leblanc; Ludwig; Musser; Scherl & Roth. Serial Numbers; Customer Service History Careers.
Yuen Li Low's Trombone Serial Numbers Resource Trombone Serial Number Lists This page contains serial number lists (well, one list for now and hopefully more eventually) to help you estimate the approximate date of manufacture of your trombone. I hope to add to and continually update this list - please do let me know if you spot any errors or omissions. Please take a few moments to read my and if you haven't done so already.
Trombone Serial Number Lists Manufacturer (Parent Company) Serial Number Year of Manufacture Other information Amati-Denak Vincent Bach (Selmer) This list was created by and is reproduced here with his kind permission. 1 1929 200 1933 400 1935 1600 1940 2500 1945 3400 1950 4500 1955 5700 1960 5950 1961 6900 1964 8000 1965 Besson (pre-Boosey & Hawkes) This list was created by and is reproduced here with his kind permission. 3070 1905 9000 1908 1912 9950 1916 10800 1919 11600 1935 13950 Boosey & Company (pre-Boosey & Hawkes) This list was created by and is reproduced here with his kind permission.