2017 AD., United Kingdom, Elizabeth II, Royal Mint, 1 Pound, KM ?

United Kingdom, Elizabeth II, engravers: Jody Clark (obverse) and David Pearce (reverse), Royal Mint, 2017 AD.,
1 Pound (ø 23-23,4 mm / 8,69 g), bimetallic: copper-nickel center in a nickel-brass ring, 8,75 g. theor. mint weight, mintage 640.,000.000 , axis medal alignment ↑↑, dodecagonal (12-sided) sh, ape
Obv.: ONE POUND · ONE POUND (12 times as incuse micro legend near edge) / 2017 · ELIZABETH II · D· G· REG · F · D (“2017 Elizabeth the Second by the Grace of God Queen Defender of the Faith“)/ J.C / £ 1 (hologram-like image below the bust) , her head (fifth portrait) facing right, wearing the George IV State Diadem, engraver´s initials below truncation of head. The 'latent image' on the obverse is like a hologram that changes from a ‘£’ symbol to the number '1' when the coin is viewed from different angles ( ‘£’ symbol if the illumination is from left, 1 if from right.
Rev.: — 2017 — (12 times as incuse micro legend near edge) / DP / ONE POUND , design showing the English rose, the Welsh leek, the Scottish thistle and the Northern Irish shamrock emerging from one stem within a royal coronet, engraver´s initials r. below coronet, value on brass ring below.
Edge: Segmented reeding (6 milled segments on alternate edges).
KM ? .

Year / Mintage / Details
2016 500.000.000 500 million circulation issues dated 2016 but not released until 2017.
2016 10,000 in BU sets with 'Cross-crosslet' mint mark, also issued in Silver Proof, Silver Piedfort Proof and Gold Proof.
2017 640.,000.000
2017 ? BU
2017 ? Proof
2018 ?
2018 ? BU
2018 ? Proof

Launched for circulation by the Royal Mint on March 28th, 2017 as "The world's most secure coin".