Elizabeth 1st - Tower Mint - Half Groat Obv:- E . D . G . ROSA . SINE . SPINA, Crowned, draped bust left, two pellets in right field (Elizabeth by the Grace of God a rose without a thorn) Rev:- CIVITAS LONDON, Shield Minted in London (Tower Mint), 5th Issue, mintmark Escallop both sides, Dated A.D. 1584-1596 Reference:- S. 2579