Porto block of four 50 para with inverted overprint Description: Porto block of four 50 para with inverted overprint, which as error was noted during overprinting and is crossed out with blue pencil. Signed Ercegović. Good quality. Porto block of four 50 para with inverted overprint Auction: Aukcija br. 57 - Filatelija i razglednice Catalog No: 245 Category: Independent State of Croatia Quality: ** Current offer is at 100EUR. In order to place your bid your offer needs to be at least 100EUR 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