A GEORGE III BRASS POCKET PERPETUAL CALENDAR

with a revolving dial each side with raised lettering; 'DAY of the MONTH FOR EVER' and 'MOONs AGE, PHASES & SOUTHING', within incised lettered rims: found beneath the floor of an ancient cottage 37mm diam. (roughly the size of a 'Cartwheel penny) (blackened deposit to one side)