Watch List notes:

Commemorative Medals, Music: Pope and Saint Gregory I, the Great (c.540-590-604), award medal of the Society of St. Gregory, copper, undated [c.1880], by J. S. and A. B. Wyon, tonsured bust of the patron saint, r., wearing richly embroidered cope, rev. legend in 9 lines, OPTIMO MERITO..., 76mm., extremely fine, scarce
The present Society of St Gregory is the national society for liturgy and music in the Roman Catholic church in Britain.
(80-120 GBP)