A Very Nice Civil War-Era Illegal Use Cover… and a Warning
As some may know, one of my collecting focuses is illegal/improper usages related to U.S. revenue stamps: 1. Postage stamps used as revenue stamps on documents 2. Revenue stamps used as postage on cover. Primarily 19th century material, but also bleeding into the early 20th century. The vast majority of my collection in this area is postage stamps used as revenues, some 200+ documents at this point. The number of covers with revenue stamps used as postage is considerably smaller,…