Denmark 1852 Mercury Head 4 RBS / 1 1/4 schilling stamp - Essay by Ferslew, never released as a stamp. This appears to be a forgery from the early 1860's, still scarce and quite unusual Image is as described in the 1863 Lewis and Pemberton book Forged Stamps , page 13. This Mercury Head essay was reproduced on Denmark souvenir sheet #565 Contact me if you want additional scans Combined shipping for multiple purchases Here is your chance to own a great rarity for a bargain price