375rd Heinrich Köhler auction - Day 1

DENMARK: 1857, Double rate lettersheet with seal of High Court on reverse, sent from "KJØBENHAVN 21/2 1857" via "HAMBURG 24 FEB. 1857" and London to St. Croix with transit marks of the British and Danish PO at St. Thomas, charged with "2/9"; additional "8" cents inland fee was cancelled due to the official character of the letter; small ink erosion, otherwise fine, scarce