(Ordine di San Gregorio Magno). Instituted in 1831. Centrepiece in 18K Gold with blue enamels, the cross and wreath in silver gilt with red and green enamels, weighing 18.7 grams, hallmarked with a boar's head on the reverse of the integral loop, measuring 40.5 mm (w) x 64.5 mm (h) inclusive of its wreath and laterally-pierced ball suspension, reverse with scattered chipping evident in the green enamels on the wreath, original ribbon, near extremely fine.
Footnote: The Equestrian Order of St. Gregory the Great was instituted on September 1, 1831 by Pope Gregory XVI and awarded for loyalty and service to the Holy See, in four grades: Grand Cross, Commander with Star, Commander and Knight, in Civil and Military Divisions.

