Web site: https://www.ancient-jewellery.com/
This is a Tudor silver Groat (4 pence) of King Henry VII, minted in London between 1499 - 1502 AD.
Obverse inscription: HENRIC DI GRA REX ANGL Z FR, ( "Henry, by the Grace of God, King of England and France") Crowned facing bust, mintmark 'Anchor'.
Reverse inscription: POSVI DEV A DIVTOR E MEVM ("I have made God my helper") CIVITAS LONDON on the inner circle "City of London" long cross fourchee, trefoil of pellets in angles.
CULTURE: Tudor England
DATE: 1485 - 1509 AD (this coin minted between 1499 - 1502 AD)
SIZE: 26mm dia
WEIGHT: 2.91 grams
ATTRIBUTION: S.2199; N.1705c
PROVENANCE: Private collection, Essex.