Watch List notes:

Great Britain. Mary (1553-1554). Gold 'Fine' Sovereign of 30 Shillings, MDLIII (1553). Mintmark, pomegranate. Queen seated on throne holding orb and scepter; portcullis at her feet. Rev. Arms on large Tudor rose, 15.40g (Fr 192; S.2488; N.1956). Clear portrait and detail. In PCGS holder graded AU 55. Estimated Value $20,000 - UP
The daughter of King Henry VIII who reigned for a brief five years before her premature death in 1558, all Mary's gold coins are rare. This, the largest of the gold coins of the period, is unusually nice for issue.
PCGS Certification Number 45908760 Ex The Century Collection.