USA philatelic :  The official source for stamp enthusiasts / 
United States Postal Service. 
 - Washington, D.C. :  Stamp Services,  [1990]-. 
 - vol. :  ill. ;  28 cm. 
 - Vol. 1 [1990] - 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Postal service--United States--Periodicals<br/>Postage stamps--United States--Periodicals