375rd Heinrich Köhler auction - Day 1

1856/62, Diligencia and Sun-face, the important mounted collection on 14 pages, the use of the sun-face design as Sperati's logo indicates that Uruguay reproductions were a favorite, this group of 100 items includes a large number of archival items that likely do not exist elsewhere, these include working proofs, special items made for William Hoffmann, this section is a highlight of the Carl Walske Sperati collection