Essay. 1850. FIRE SKILL. The first proposal for a Danish stamp. Cut in a copperplate by M.W. Ferslew. Printed in dark clear brown red colour. Burelage in (almost) horizontal blue lines. ONLY KNOWN COPY IN PRIVATE HANDS. 6 original copies of this essay are known in the postal museum, all canc. KIØBENHAVN 22/2.1851. This copy is canc. with a 3-ring canc. with a thick outer and a thin inner ring. A handpainted crown in the centre, probably the first proposal for a postmark to cancel Danish stamps, made in March 1851. Only known example of this postmark. Ex. Lasse Nielsen [ E1Da ]