Postage due stamp 1D. Used BELA PALANKA 15. V. 42 on postage due and censored postal stationery postcard 1 Din from BEOGRAD 11. V. 42, as a result of postage increase who the card with 1 Din. Under-franked, rare entire piece in good legitimate condition, certificate with photograph Krischke BPP (former starting price 100)