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
Postage stamp separation of US stamps only a handful of these are known to exist. The various types of perforation errors are collectively known as misperfs. Postage stamp separation For postage stamps, separation is the means by which individual stamps are made easily detachable from each other. Methods of separation include: In the early years, from 1840 until 1850, all stamps were issued imperforate, and had to be cut from the sheet with scissors or knife. This was time-consuming and error-prone (as mangled stamps of the era attest). Once reliable separation equipment became available, nations switched rapidly. Imperforate stamps have been issued occasionally