Hello~~Here is a gorgeous vintage KING 3B CONCERT Trombone..this is a fabulous high quality USA made Instrument and is just beautiful!This came from the original estate and was super well cared for...serial # 603067..The instrument is about as perfect as one could hope to find..If any questions please just ask..Due this being a vintage instrument it is being listed and sold AS IS>>all sales are final..no guarantee or refunds or returns..Thank You very much.