Overwater Progress Series IV Fretless 4 (Ser. No. 20-4164)
Overwater Progress Series IV Standard Bolt-on 4 (Ser. No. 16-3922)
Overwater Progress Series IV Standard Bolt-on 4 L/H (Ser. No. 20-4163)
Overwater Progress Series IV Studio 4 (Ser. No. 19-4106)
P SERIES VINTAGE CLASSIC 4 STRING - Ser. No. 4373
PROGRESS SERIES IV - STANDARD L/H 4 STRING - SPALTED BEECH - Ser. No. 4163
PROGRESS SERIES IV CUSTOM 4 STRING - Ser. No. 4351
PROGRESS SERIES IV STANDARD 4 STRING - Ser. No. 4301
PROGRESS SERIES IV STANDARD 4 STRING - Ser. No. 4350
PROGRESS SERIES IV STANDARD 4 STRING - Ser. No. 4425