Original 1990 25c "East Coast Lighthouses" 2470-2474 Postal Commemorative Society 22K Gold Plated Replica Stamp Cachet First Day Cover Set of (5) with Information Cards. Canceled April 26, 1990 Washington, DC. Envelopes measure approximately 4 1/4" x 7 1/2". Please see pictures. Will be packaged well to assure no damage.