Sede Vacante 1829 Marshal of Conclave Medal

Medal issued by the Marshal of the conclave, Prince Agostino Chigi, for the 1829 Sede Vacante. Obverse: Coat-of-arms of Prince Agostino Chigi, draped, with two keys on drapery, crowned with princely coronet, crossed keys and papal umbrella above shield. Reverse: Agostino Prince Chigi Perpetual Marshal of the Holy Roman Church, 1829. White metal, 28.6mm.