Great Shape for the age.  Case is also in good shape.   This horn was taken care of.  slide works great too.

Vintage HN White Cleveland Bb Trombone. All Original in nice condition. Serial Number C 72987 circa late 50's. Bell is engraved with the CLEVELAND made by King Craftsmen The HN White Co emblem. Tuning slide moves freely. The main slide has Good compression and glides smoothly. Inner slide glides freely. Refurbished and sounds nice. Water key is in good condition. Mouthpiece is good and stamped KING 28. Horn body has no damage, dark gold finish is degraded with wear at contact points but in nice shape. Horn is solid. Minor scratches and dings consistent with age and responsible usage. Original case is solid. Inside and out, remarkable for age. See pictures for condition and detail