Expand or update your collection with complete 2018-2020 P&D year sets – containing Uncirculated Philadelphia & Denver Mint issues of each U.S. Innovation dollar design. The 2018 Innovation Dollar that starts this exciting series features President George Washington’s signature on the first U.S. patent. The 2019 issues feature Delaware’s first classification of the stars; Pennsylvania’s polio vaccine; New Jersey’s light bulb, and Georgia’s Trustees Garden. The 2020 Year Set depicts the latest four designs. Get your complete P&D year sets today!