British embossed postage stamps British embossed postage stamps The adhesive embossed postage stamps of the United Kingdom, issued during the reign of Queen Victoria between 1847 and 1854 exhibit four features which are unique to this issue: Three values of the octagonal stamps were introduced to cover higher foreign and registered postal charges on the following dates: 1 Shilling (green) - 11 September 1847, 10d (brown) - 6 November 1848, 6d (mauve/lilac/purple) - 1 March 1854 The 1 shilling was the first British postage stamp to bear a value above 2d. The dies used for this type of printing have the embossed, (raised), portions
Denomination (postage stamp) existing denominations became worthless. In other cases, changes to the local currency have led to changes in denomination. For instance, when the Ryukyu Islands (at the time a United States protectorate) changed its currency from Yen to Dollars, a number of airmail stamps originally printed with Yen values were overprinted and re-denominated to cents in 1959–1960. During periods of hyperinflation, non-overprinted postage stamps of extraordinary denominations have been issued. As one example, in Hungary, on 15 July 1946 a AP40,000 (Hungarian adópengő) stamp featuring a diesel locomotive was issued. This was the equivalent of 80 quadrillion pengő (P80,000,000,000,000,000,000,000,000) Denomination (postage