Vintage Eley Grand Prix Cartridges Box

Vintage Eley Grand Prix Cartridges box. Marked ‘Loaded with Smokeless Diamond Powder’. Contains markings for 12 Gauge and 5 Shot. Box states ‘This carton contains 25 cartridges’. The cartridges are manufactured and loaded at the Eley-Synoch Factories of I.C.I. Metals Limited, Witton Birmingham. Some age-related wear, good condition. An interesting piece of shooting memorabilia.