375rd Heinrich Köhler auction - Day 1

1848/79, the mounted collection of 8 reproductions and three BPA card proofs, includes the 1848 issue 1d signed proof in color described as being unique in Sperati I (ex Robson Lowe collection), the 1860 issue 9d proof and an "unused" reproduction, one of two known 1879 issue 13c type B reproduction (illustrated in Sperati II) as well as the 1879 issue 38c finished reproduction illustrated in Sperati I, all ex Carl Walske