Here's some info on the coin; Alloy : 100% nickel Weight : 8.10 grams Diameter : 27.13 mm, thickness 1.93 mm Engraver : Obverse: Arnold Machin, Walter Ott, Reverse: Thomas Shingles Designer : Obverse: Arnold Machin, Walter Ott, Reverse: Thomas Shingles Edge : Reeded Magnetism: Magnetic Roughly 7.1 million were minted which is actually a low number for coins! hope that helps!!
Alloy : 100% nickel Weight : 8.10 grams Diameter : 27.13 mm, thickness 1.90 mm Engraver : Obverse: Arnold Machin, Walter Ott, Reverse: Thomas Shingles Designer : Obverse: Arnold Machin, Walter Ott, Reverse: Thomas Shingles Edge : Reeded Magnetism: Magnetic Die axis : ↑↑