king Bass trombone model Dou Gravis sterling silver. silver sonic model

Description

this king dou gravis Bass trombone double trigger dependent  is 1974 i split the trigger back 1995 also ha the horn over haul back them Chuck at brass lad in new york did the trigger Anderson plated the horn this horn is in excellent condition look new there no dent or slide tube wear   the case is all so excellent condition for the age all original.