![](http://www.alamy.com/thumbs/6/92955BD8-816A-4384-9C4D-30F403931F80/F1XPBM.jpg)
Stamp printed in Romania shows Postcard and pigeon, Introduction Postcode System, circa 1975.
Size: 3633px × 2344px
Photo credit: © Zvonimir Atletić / Alamy / Afripics
License: Royalty Free
Model Released: No
Keywords: aged, antique, canceled, collection, commemorative, communication, correspondence, dove, europa, hobby, introduction, isolated, issue, letter, mail, paper, perforated, philately, pigeon, post, postage, postal, postcard, postcode, postmark, retro, romania, service, shipping, sign, stamp, symbol, system, vintage