1923, black, gold and bronze surcharges on Imperial Insurance stamps, complete set of five, 10k has perforation 13 1/2, all others with perforation 12 1/2, full OG, NH, VF

100.00

1923, black surcharge 1k on Imperial Insurance stamp of 3r red brown on orange network, perforation 11 1/2, full OG, LH, VF, N. Mandrovski certificate

100.00

1923, inverted black surcharge 3k on Imperial Insurance stamp of 3r red brown on green network, perforation 13 1/2, left sheet margin block of four, full OG, NH, VF

400.00

1925, 49 stamps in singles and pairs plus back of philatelic exchange cover, representing all three type of surcharges and numerous varieties of surcharges, identified on stockpages, nice quality unit, full OG, mainly NH (two stamps - VLH), VF
Click the numbers below to see additional pages:
2, 3, 4

200.00