Great Britain old coin 1 pound

6 sitesThe selected region shows a United Kingdom 12-sided bimetallic £1 coin.This specific reverse design, known as the "Nations of the Crown" layout, was designed by David Pearce and first introduced into circulation in 2017. It features the four floral emblems of the UK nations growing out of a single royal coronet: the English Rose, the Welsh Leek, the Scottish Thistle, and the Northern Irish Shamrock.Design Features & SpecificationsShape: Distinctive 12-sided (dodecagonal) edge.Composition: Bimetallic—an outer ring of gold-colored nickel-brass and an inner silver-colored disc of nickel-plated alloy.Security: Built-in high-security details, including a latent holographic-style image beneath the portrait on the obverse that switches between a "£" symbol and the number "1" depending on the light angle