- RELEASE DATE: March, 1988
- STICKER NUMBERS: 460a-500a and 460b-500b
- BASE SET: 82 stickers
- VARIATION SET: 88 stickers
- BASE SET CHECKLIST: Click HERE to print a Base Set Checklist
- VARIATION CHECKLIST: Click HERE to print a Variation Set Checklist
- INFORMATION: Garbage Pail Kids Series 12 was the first series to be released in 1988, which ended up being the last year of the Original Series releases.