Auction Series 257-264 in Zurich Day 4

New Hebrides Syndicat Français 1903: The collection on leaves (22 stamps & 5 cards) with circa 1893 'Military Essays', four imperforate Essays designed by Lt. Col. Delawney, three bicoloured and one in black & white, three with 2½P = 25c. as value tablet at lower right (rare); thereafter with a study of genuine usages of the issue in the first three weeks after issue and 'cto' examples bearing dates from 1905 onwards, including 5 usages on five different postcards.
Catalogue 261: Stamp Issuing Steamship Companies