ROLLING STONES Undercover (Rare 1983 US 2-track 7" vinyl single test pressing featuring both the Edit and LP Versions of 'Undercover', manufactured by Specialty Records Corporation of Pennsylvania to determine which version of the track would beused as the A-side of the next Stones single [under catalogue number #7.99813]. The disc has custom printed date-stamped labels with hand scratched matrix numbers of ST-RS-45605-1 and ST-RS-45606-1 in the 'dead wax' areas)