First Day Covers 'Yugoslav Art 1955'. Description: First Day Covers 'Yugoslav Art 1955'. Set of two covers correctly cancelled with ZAGREB PRVI DAN' canceller for 24.03.1955. Addressed to Brazil but probably not posted. First Day Covers 'Yugoslav Art 1955'. Auction: Aukcija br. 57 - Filatelija i razglednice Catalog No: 733 Category: Yugoslavia Quality: ✉ Current offer is at 20EUR. In order to place your bid your offer needs to be at least 25EUR or higher. Please place your bid: Other items from the category: Yugoslavia ** 2384 20 EUR ** 2385 80 EUR ** 2386 40 EUR ** 2387 10 EUR ** 2388 90 EUR ** 2389 20 EUR ** 2390 600 EUR ** 2391 70 EUR ←12345