PSKOV: 1871-86 a mainly mint/unused study with part sheet reconstruction, comprising 1871 1st printing 5k. (S.2) (13, one used), 1875 2nd printing 5k. (S.3) (8, three used), 1877 1st printing imperf. 5k. (S.4) (17, with two blocks of four) and rouletted 5k. block of four, 1880 2nd printing imperf. 5k. (32, with a block of four, a têtê - bêche pair and twelve used), 1881 imperf., thick or thin paper 5k. (S.8,9) (36 with a block of four, two têtê - bêche pairs and six used), 1886 perf. 12½ 5k. (S.10) (51, with blocks, inverted clichés, perforation varieties and six used); some faults, mainly fair to fine.