Watch List notes:

GB and World First Day Numismatic and Stamp Covers in albums The Queen Mother 1900-2002 (3), along with other Proof and Mint sets (13) and singles (13) some unofficial, Numismatic First Day covers (72), mostly with Two Pounds, One Pound or Fifty Pence coins, includes a few in silver, mostly UNC to FDC in the packs and envelopes of issue

Estimate: 200-300 GBP