Elizabeth I, 1560-1561, reigned 1558-1603, AR Groat 23mm, 1.87 g, 
second issue. Tower (London) mint; issue mark: martlet.

Martlet mint-mark, ELIZABETH D G ANG FR ET HIB REGINA, crowned bust left, wearing ruff. 
POSVI DEV ADIVTOREM MEV, shield on long cross fourchée. 

Seaby 2556

With permission of cngcoins.com, auction 485, Lot 779, Feb. 2021.