Star Trek Authentic Paramount Production 10 Unused Stationery Sheets. This stationery, so were are offering at a fraction of other online sellers. This is authentic stationery not a high quality copy. Every sheet is in new mint type condition. Each 11″ 8.5″ sheet has the following watermark showing the mill where it was produced. I have many sets available and will be offering 10 sheets in each set.