Watch List notes:

Italy, Stato Pontificio (Papal States). Gregory X PB Seal. 1272-1276. Confronted busts of St. Paul, on left facing slightly to right, and St. Peter, on right facing slightly to left, each with halo or within pelleted border; crosier between, SPA:SPE above; all within pelleted border / GRЄGORIVS • P P • X' • in three lines; all within pelleted border. Serafini I 1-2. 41.29g, 38mm, 12h.

Good Very Fine; contact mark to rev., edge chipped with small '577' written in ink on break.

From the inventory of a UK dealer.