Made:  ReynoldsModel:  “Reynolds” (per Contempora Corner website, this appears to be Model 50)Bore size:  .458”Bell diameter:  4-5/8 inchSN:  33440 (vintage 1955 per Contempora Corner website)Key:  BbAesthetic condition:  superb, near museum quality, see photosValve action:  delightful, very fast and smooth, no sticking or sluggishnessCompression:  very goodSlide movement:  all slides snug and move easily, including 3rd for intonation adjustmentPlays and sounds:  very nice, with sweet, mellow tone top to bottomMouthpiece:  noneCase:  nearly new lightweight (foam?) replacement case, nothing fancy, but holds the instrument well