©
WWI Bob: Foreign Destination Parcel Post Stamp Use to Italy, 1918
©
WWI Bob: Foreign Destination Use of U. S. Parcel Post Stamp to France (1913)
©
WWI Bob: U. S. Parcel Post Stamp 1913 Usage (Question)
©
WWI Bob: Merchandise Usage of U. S. Parcel Post Stamp (1913?)
©
WWI Bob: Early First Class Usage of U. S. Parcel Post Stamp
©
WWI Bob: Correct U. S. Parcel Post Stamp Usage (1913)
©
WWI Bob: 1 Cent U. S. Parcel Post Stamp on Cover
©
WWI Bob: U. S. Parcel Post Stamp, First World War Usage
©
WWI Bob: 1913 Usage, 1 Cent U. S. Parcel Post Stamp
©
WWI Bob: Correct U. S. Parcel Post Stamp Usage (1913)
©
WWI Bob: 1913 Usage, 1 Cent U. S. Parcel Post Stamp
©
WWI Bob: Parcel Post Stamp Used on Overseas Mail to Paris, France, 1913
©
WWI Bob: 4 Cent U.S. Parcel Post Stamp
©
WWI Bob: 2-Cent U. S. Parcel Post Stamp