Watch List notes:

Numismatic First Day Cover 2016 Queen Elizabeth II 90th Birthday comprising Five Pound Crown 2016 Gold Proof S.L44 FDC, and set of four First Class stamps with Queen Elizabeth II, Prince Charles, Prince William and Prince George, as issued on the Royal Mint/Royal Mail envelope, number 36 of only 50 covers issued with the Gold Five Pound Crown

Estimate: 1600-2000 GBP