Studio Model 713 Olds and Son Trombone serial 11871 number puts this brass beauty at 1939 or 1940. made in Los Angeles California. The trombone its self has many dents all over the entire thing. Has a King mouth piece M 21

　　the mouth piece is stuck. The trombone its self needs to be completely restored. The slide works, it is sticky.

　　I see no repairs. It has a little chunk missing next to slide see pic I can not tell if it is damage or not. I am not sure of its value so I price it accordingly as it is the lowest seial number I hass seen here on Ebay. Comes with old hammered case