The product is a pair of consecutive 1928A $1 silver certificate banknotes with serial numbers K93586051A and 52A. These uncirculated banknotes are of ungraded quality and are uncertified. The small size notes are from the United States and fall under the category of coins and paper money. This pair of banknotes is a collectible piece of US currency history, featuring the iconic design of the 1928A $1 silver certificate.