First-year pressing

Abacab 1981 US Pressing (SD 19313)

Runout and matrix codes

Etched or stamped in the dead wax between the last track and the label. If yours match, you have this pressing.

ST-A-814775-Label, side one
ST-A-814776-Label, side two
ST-A-814775 - B M1SF1 SM3Side 1, etched
ST-A-814776 - B (S1 or reversed R)A M1SF1 SM2Side 2, etched
EDP (in a circle)Side 1 & 2, stamped
TOWNHOUSE LONDONSide 1 & 2, stamped
ST A 814775 E 1-1 ATLANTIC STUDIOS DKSide 1, etched, variant 2
ST A 814775 E 1-2 ATLANTIC STUDIOS DKSide 2, etched, variant 2
ST-A-814775 - B RA (EDP) M1SF1 SM2 TOWNHOUSE LONDONSide 1, etched/stamped, variant 3, EDP encircled R is reversed
ST-A-814776 - B (EDP) M1SF1 SM5 TOWNHOUSE LONDONSide 2, etched/stamped, variant 2, EDP encircled