Prince Albert II of Monaco. Sovereign Prince of Monaco, heads of the Grimaldi family, son of Prince Rainier III and Grace Kelly. Envelope Signed. Postal envelope with cachet commemorating the marriage of Albert's parents, 3 and 5 Franc stamps affixed and franked "Monaco 19 Avril 1956". Prince Albert wishes Barry the best and signs at center in black. Fine..
Estimate: $40 - $50