This product is a plate block of four stamps issued by the United States in 1969. The denomination of each stamp is 6 cents and the topic is historical events, specifically the California Settlement. The stamps are multi-colored and of F/VF grade. They are mint never hinged, meaning they have not been previously mounted or hinged. The plate block is Scott 1373 and it was manufactured in the United States. The certification of the product is unknown.