You know....now that I look at them again...and again...I'm pretty sure that the HS giveaway C15 (at least) is not what I would consider as....U.S. #C13-C15 Zeppelins XF-Superb-Gem OG H. Marginal cen

A Dealer on Hipstamp is Offering "REPRODUCTIONS" of US #C13-C15 in a Hipstamp Auction! I have inquired if these are ISSUED by the USPS and No Answer as Yet! In the Groups OPINION are these &