- Pressed By – MPO
B1 & 2 recorded at Red Spot.
includes black and white postcard entitled "blockhead"
Barcode and Other Identifiers
- Matrix / Runout (A Side, etched): ZRon 31 A¹ A Porky Prime Cut MPO Sink, Sank, Sunk.
- Matrix / Runout ([white label], etched): ZRon 31 B¹ A Porky Prime Cut MPO Colonel North Lies, Lies, Lies.