May, 12 pages: Poster Stamps featuring Hotels; Poster Stamps tied to covers; The (mostly) $3 Minimum Bid auction; Advertising...
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Image of the week
Denmark - the Copenhagen Philatelic Club, to celebrate their 25th anniversary in 1912, issued a set of three poster stamps, one of which had an image of what they envisioned for a "futuristic" airport in 1937. There was also a publicity postcard with the same image.