Postal Cards
Postal cards are postal stationery with an imprinted stamp or indicium signifying the prepayment of postage. Highly collectable, they would make a great complement to any stamp or cover collection.
1990 15c Postal Card - Quadrangle, Stanford University
1990 15c Postal Card - Fur Traders Descending the Missouri
1990 15c Postal Card - Constitution Hall, Washington, DC
1989 15c Postal Card - Hull House
1990 15c Postal Card - Isaac Royall House
1988 15c Postal Card - Hearst Castle
1990 15c Postal Card - Chicago Orchestra Hall
1990 15c Postal Card - Rittenhouse Paper Mill
1989 15c Postal Card - The Wetlands