Elizabeth I. 1558-1602. AR Sixpence, 25 mm, 3.02 g. Third issue, dated 1571. London Tower mint; mintmark: castle. 

(castle) ELIZABETH : D : ANG : FR : ET : HIB : REGINA, crowned bust left, rose behind head.
(castle) POSVI DEV' AVDITOREM DEV', coat-of-arms on long cross fourchée. 

North 1997; Seaby 2562. 

With permission of cngcoins.com, auction 485, Lot 809, Feb 2021.