gonfalone

Going astray, they first landed in Catalonia and did much damage; then, "acknowledging their unfortunate mistake," they found the island, where, under Archbishop Peter and the Pope's gonfalone, they were entirely successful.

Florence and Northern Tuscany with Genoa With Sixteen Illustrations In Colour By William Parkinson And Sixteen Other Illustrations, Second Edition Edward Hutton 1922

The title of gonfalone, or standard-bearer, was acquired during the pontificate of Innocent IV, when the members withstood the violence of the Roman nobles and elected a governor of the capitol to represent the pope, then at Avignon.

The Catholic Encyclopedia, Volume 11: New Mexico-Philip 1840-1916 1913