- Artist
- Mary Hopkin
- Title
- Knock, Knock Who's There / International
- Label
- Apple Records 1855
- Country
- Canada
- Released
- 1972
- Format
- 7", 45 RPM, Single, Reissue
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.
- X47899Side A, label
- (X47627)Side B, label
- S45X 47899 Z7 STERLING LH 2Side A, etched runout
- S45X 47627 Z7 STERLING LH 3Side B, etched runout