We've had some previous discussions on this forum about these Ohio Tax Receipt Stamps. Since they were issued in the millions (billions?) the value is rather minimal, even though some collectors do find them an interesting sub-collection. In fact, if you search
ebay, many examples are readily available for sale. The sold listings suggest that most are selling for under $1, some groups of stamps for as high as $5, but that's about it.
Here's one of several threads documenting previous information on these items:
https://goscf.com/t/6383