For Pope John Paul II's visit to Austria, a 3-shilling 'Bischofsmütze' postal stationery was issued as part of the 'Getting to Know Austria' series. The card shows the venerable and art-historically valuable statue of the Mother of Grace...
Some collectors are crazy about 'marginal areas'. Sheet margin peculiarities, such as printer's marks, cutting marks, etc. There is even a separate association that studies these matters. But packaging material used by the postal service itself? Collectors of vending machine booklets are mainly interested in the contents of...
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