EDWARD VI, silver crown 1551, 31g, mint mark Y (Southwark), King on horseback with date below, rev: cross on shield. Most examples of the coin were dated 1553 and 1551 is a rare date. The Slaney collection sold a similar sharper coin in 2003 for £42,000.
PLEASE NOTE THAT OPINIONS ON CONDITION ARE SUBJECTIVE - IT IS DOWN TO THE INDIVIDUAL BUYER TO MAKE THEIR OWN DECISION AS TO THE CONDITION OF EACH COIN.