The U.S. Mint's bicentennial commemorative quarter for Maryland features the dome of the State House in Annapolis; white oak clusters (state tree); and the state nickname: "The Old Line State; Maryland became the 7th state in 1788 (public domain image on Wikipedia).
The Old Line State
The nickname for Maryland is "The Old Line State." According to some historians, General George Washington bestowed the name "Old Line State" and thereby associated Maryland with its regular line troops (the Maryland Line) who served courageously in many Revolutionary War battles.
Maryland's history as a border state has resulted in the state exhibiting characteristics of both the northeast and southeast regions of the United States.