PROGRESS SERIES IV CUSTOM 4 STRING - Ser. No. 4426
PROGRESS SERIES IV CUSTOM 5 STRING - Ser. No. 4353
PROGRESS SERIES IV STANDARD 4 STRING - Ser. No. 4350
PROGRESS SERIES IV FRETLESS 5 STRING - Ser. No. 4402
PROGRESS SERIES IV STANDARD 4 STRING - Ser. No. 4301
PROGRESS SERIES IV STANDARD 5 STRING - Ser. No. 4400
