Watch List notes:

One Pounds 30th Anniversary of the One Pound Coin Royal Arms Gold Set 2013 (58.86 grams total coin weight) featuring the three "Royal Arms" £1 coin designs - The Royal Arms by Eric Sewell, A Crowned Shield of the Royal Arms by Derek Gorringe and A Shield of the Royal Arms by Matthew Dent. Proof FDC in the Royal Mint wooden presentation case with certificate, listed by internet retailers at £5150 (listed by Spink as PG31S and stated there that only 17 sets were issued)

Estimate: 2250-3250 GBP