©
WWI Bob: Old Stamp (Scott #492)
©
WWI Bob: Old Stamps (Scott #490 and #462)
©
WWI Bob: First World War Stamp (Scott #445)
©
WWI Bob: Old Stamp (Scott #493)
©
WWI Bob: Old Stamp (Scott #489)
©
WWI Bob: Old Stamp, Dental Bill (Stamp Perf 10)
©
WWI Bob: Old Stamp (Scott #411 Coil)
©
WWI Bob: War Rate Due One Cent 1918
©
WWI Bob: Tank Corps Cover 1918
©
WWI Bob: Anti-War Cornercard from WW I
©
WWI Bob: Local Rate Postage Due
©
WWI Bob: War Rate Cover from Puerto Rico
©
WWI Bob: First Day of War Rate
©
WWI Bob: Local Rate RFD Returned
©
WWI Bob: Older Stamp on 1918 Postcard from Camp Custer, Michigan
©
WWI Bob: Postcard Sent from Camp Dix, New Jersey
©
WWI Bob: Cover from Lougheed Aircraft to Ceylon -- 1918
©
WWI Bob: Patriotic Star Envelope
©
WWI Bob: Cover from Camp Bluefields, New York
©
WWI Bob: American Flag Cancellation of the Erie Proving Grounds, 1918
©
WWI Bob: Leap Year (NOT)
©
WWI Bob: Odd Fellows Cover From Camp Devens
©
WWI Bob: U. S. Parcel Post Stamp, First World War Usage
©
WWI Bob: Censored in 1919
©
WWI Bob: Illegal Stamp Usage
©
WWI Bob: Cover Mailed in Guam, 1918
©
WWI Bob: Old Stamp on WW I Cover
©
WWI Bob: Old Stamp Used on WW I-Era Cover
©
WWI Bob: Mexico to U.S. During First World War
©
WWI Bob: Customs Mark from the First World War