2.80 øre black CEPT. Reply-card from medical journal mistakenly printed stamp in black. These reply-cards are accidentally printed on a postage stamp. It came from the fact that the lady who had to approve the review, wanted to see how the card looked with the stamp. She glued a postage stamp, but the printers misunderstood and thought he was impressing marked in black. It was - and some doctors have used postal card. The stamps are genuine. [ 870 ] [ ✉ ]