Details
used -- (setting IA) overprint inverted in a pair, the right stamp showing error "GILDI" for "Í GILDI", possibly [63-64], postally cancelled by "REYKJAVIK" "bridge" c.d.s. Type D, centred to left and with a few slight blunt perfs. A great rarity--it is believed that only one other such pair exists. F. 48v1 + 48v4 (unlisted inverted). Photo in colour
Further details
Note: Sir Athelstan has written...."This pair, therefore being officially overprinted in the correct type and legitimately used must be placed in Class D (clandestine productions) but genuine.