Chibi Gallery Wooden Reward Stamps These are discontinued and difficult to obtain. There is some scuffing on the outer box, and what appears to be age-related deterioration, as seen in the last photo, with some blackening on the edges of the wood. Please understand that these have been stored at home before purchasing. The popular Chibi Gallery Wooden Reward Stamps 2 The stamp set comes in three sizes: large, medium, and small, and can be used in various ways, such as for tests, drills, notebooks, and memos. Includes a wooden storage box with printed sides.