37-451915 Gris Male bred by Paul Sion, one of his and Robert Sion's greatest ACE producers. Bred from 830176-34 Roux Cock and 458917. 830176 grand son of "ROUGE MACOT" Paul Sion's Ace of Aces.
Parkwood Lofts, Bellflower, California brought in an outstanding draft of GRIS SION's which were offered in the mid 1960's. The seven reference birds included 37-451915, maybe the best of the day.
Picture taken from Racing Pigeon International
Great Sion's of the past ...