1851 2rs blue, used on piece, margins all around, v.f., cat. $1000 (Cat No. 1) (Image)

Cat. $1000, Est.$500

1851 2rs blue, margins all around, tied by "1" cancel on small FL, with oval "F P 23.8.1854" departure datestamp alongside, some paper strengthening, otherwise v.f., cat. $2200 (Cat No. 1) (Image)

Cat. $2200, Est.$1,000

1869 (1 July) outer FL to St. Petersburg, franked with 3x2s, 4s and 8s, paying 18s from Copenhagen, tied by "1" three ring numerals, with corresponding departure cds alongside, straight-line "Franco" in red, Kiel-Hamburg TPO datestamp on back, various manuscript rates on front, v.f. (Image)

Est.$750

1870 (26 Feb) FL from Copenhagen to London, franked with 2s, 4s and 8s, tied by "181" numeral canc., fine and attractive cover, with arrival pmk (Image)

Est.$150

1878 (13 May) outer FL addressed to "His Imperial Majesty Alexander" in St. Petersburg, with underpaid markings and Royal Chancellery receipt on back, fine-v.f. and rare example of mail addressed to Alexander II, Emperor of Russia (Image)

Est.$500

1914 (12 May) Pioneer flight card Roskilde to Copenhagen, first flight cachets in magenta and black, v.f. (Image)

Est.$200