Mi.No. 81, imperforate block of six, from upper right corner of sheet Description: Mi.No. 81, imperforate block of six, from upper right corner of sheet, where two stamps are without letters F.I. Excellent quality, very rare. Guarantee of the auction. Mi.No. 81, imperforate block of six, from upper right corner of sheet Auction: Aukcija br. 57 - Filatelija i razglednice Catalog No: 186 Category: Independent State of Croatia Quality: ** Current offer is at 500EUR. In order to place your bid your offer needs to be at least 500EUR or higher. Please place your bid: Other items from the category: Independent State of Croatia ▲ 285 120 EUR ✉ 286 320 EUR ✉ 287 160 EUR ✉ 288 50 EUR ✉ 289 400 EUR ✉ 290 60 EUR ✉ 291 35 EUR ✉ 292 35 EUR ** 2128 110 EUR ** 2129 340 EUR ** 2130 40 EUR ** 2131 190 EUR ←345678