These thirteen tokens that (to my knowledge) have never been officially made for Magic: the Gathering. I put some up for sale on ebay. I believe all the images used to be in the public domain, but I have modified some of them. The images I modified are copyrighted by me (James W Gray).
The images used for Goblin and Kobold were both modified. The Goblin modification is the following:
Here is a high quality scan of one of these cards and a Magic card, which can be used for comparison. The scan can help you judge the quality of these Recoculous cards: