Backs show the standard Sonic logo design.
Monster in My Pocket Milk Caps / Pogs Unopened Pack, Combined Shipping
Came out in 1995, by Airman Inc. Each one has 8 pogs in it. VERY hard to find these !! I dont think there are any on ebay right now except these.
COPPER HUMAN BULLET KINI SLAMMER 1995 The Tick Plastic Pog Milkcap Fox Network
I have been trying to complete a set of these in every color for quite a while. Here is a list of the colors I have found and how common the colors seem to be Copper- seems to be the most common. Silver- Uncommon.