I have put up several philatelic websites which I hope are of interest.
|One concerns the United States revenue stamped paper of the Civil War Era. Another is a series of inventories of United States revenue stamped paper from articles written for The American Society of Check Collectors.
|        Civil War Revenue Stamped Paper
Revenue Stamped Paper Inventories
|Another is concerned with the United States Private Die Proprietary stamps of the Civil War and Spanish American War periods.
|        US Private Die Proprietary Stamps
|Two other sites are introductions to the Scott-listed US revenue stamps and the so-called tax-paid issues.
|        Scott-listed Revenues
|Finally, here is the first stage of a website devoted to "commercial" covers featuring the 1938 Presidential series, the Prexies.
|        Prexie Covers