50 kronor - 150th anniversary of Sweden's first postage stamp

Image of 50 krona coin - 150th anniversary of Sweden's first postage stamp | Sweden 2005.  The Bimetal: CuNi, nordic gold coin is of Proof quality.
The price of the coin has been set at SEK 60. The artist is Annie Winblad Jakubowski. The coin is minted by Nordic Coin AB Svenska Myntverket in Eskilstuna. The obverse of the coin shows a 4-skillingbanco postage stamp with the legend "SVERIGES FÖRSTA FRIMÄRKE 150 ÅR" (SWEDEN'S FIRST STAMP 150 YEARS) inside a frame. On the left is the year "1855" and on the right "2005". To the left of the text "150 ÅR" is the letter "E", which stands for Eskiltuna, the place where the coin was minted, and to the right the letter "H", which is the first letter of the Riksbank Governor's surname. The reverse of the coin shows a winged letter flying over a landscape with houses and woodland, with a road traversing the landscape. On the letter is a French horn (the symbol of the Swedish Post Office). The denomination 50 KR is displayed on the right. The coin has a smooth edge.