Watch List notes:

Leaden Bolla of Hospitaller Order of St. John of Jerusalem, Rhodes and Grand Master; PB (g 32,65; mm 36; h 12); + DVS CVSTOS, master kneeling r. near the cross; at centre, A ω, Rv. + HOSPITALIS HIERVSALEM, view of Holy sepulches church; below, Christ.
Very fine.