[*] 1859 18kr Blue without Silk Threads (18, Mi 15):
vertical pair, full o.g., good margins all round, rich deep color, full original gum, extremely fine, a magnificent pair,
$8,400.00 as two singles,
used pairs of this issue are generally valued at a 50% premium. (Mi E8400 as singles)
In the Boker collection there were no unused multiples of the 18kr, and only one single. Truly an exhibition piece.