The product is a set of 5 sheets containing 25 stamps each, featuring mushrooms, from the Soviet Union in 1964. These stamps are described as being in Mint Never Hinged quality, meaning they have not been previously used and are in pristine condition. The stamps are of Very Fine/Extremely Fine grade and have not been certified. This collectible item is a piece of philatelic history from the Russia & Soviet Union region, showcasing a unique design of mushrooms that may be of interest to stamp collectors and enthusiasts.