Excerpt from Zrinjszak BPP certificate: "these perforated trial prints are under no. A3 in the handbook of the Croatian Philatelic Association and trial prints on sale here were previously unknown. They are a great rarity! The left stamps in the pair are type I and the right type II. These print samples are genuine, the quality is flawless" Front and back of stamps are depicted. We ship principally by registered delivery / goods post with tracking or as a DHL package. The German Post Letter option is no longer available. Any applicable customs or import duties for international deliveries are the responsibility of the buyer. Applicable taxes for this item are not indicated in accordance with §25a of the UStG (differential taxation "collector's items and antiquities/special regulation" of the German Value Added Tax Act).