What are the sizes of these coins?

Question

Someone I know has an 1887 British Sovereign coin, but they do not know if it is a £2 coin or a £5 coin. Please can someone tell me the sizes of both of these coins?

I will give best answer to person that gives me good measurements.

Answer 1

the sizes of the 1887 gold coins are approx 21.7 mm and 7.98 grams for the Sovereign, 29.5mm and 15.97 grams for the 2 pound coin, and 36mm and 39.94 grams for the 5 pound coin.

Interestingly the Proofs  for the 2 & 5 pound coins were minted in Sydney Australia and have a small "s" on the ground underneath the horses hoof. but beware of contemporary forgeries.