Mi.No. 53, trial print in blue color, block of 6 on grey-yellow paper. Description: Mi.No. 53, trial print in blue color, block of 6 on grey-yellow paper. Very rare. Described in Vilfan page 88/92. Mi.No. 53, trial print in blue color, block of 6 on grey-yellow paper. Auction: Aukcija br. 48 - Filatelija i razglednice Catalog No: 136 Category: SHS Croatia Quality: (*) Current offer is at 190EUR. In order to place your bid your offer needs to be at least 190EUR or higher. Please place your bid: Other items from the category: SHS Croatia ✉ 188 200 EUR ✉ 189 55 EUR ✉ 190 45 EUR ✉ 191 150 EUR ✉ 192 80 EUR ✉ 193 35 EUR ✉ 194 20 EUR ✉ 195 20 EUR ✉ 196 20 EUR ✉ 197 50 EUR ✉ 198 25 EUR ✉ 199 16 EUR ✉ 200 20 EUR ✉ 201 20 EUR ✉ 202 40 EUR ✉ 203 25 EUR ✉ 204 25 EUR ✉ 205 25 EUR ✉ 206 25 EUR ✉ 207 25 EUR ←12345678→