Green floral rim features several Mount Joy buildings (in order, clockwise from bottom left: "Old Fire House," "Red Lion Hotel," "first industry - 1829," "Cedar Hill Female Seminary- 1839, " "Old Post Office." Bottom of rim reads, "A Voyage through the century." Center reads "Mount Joy Centennial / May 26 - May 30 / 1851 - 1951 / Good Ship Mount Joy" around an image of a many-sailed ship crossing an ocean.
Back readsThis plate commemorates the incorporation / of the borough of Mount Joy in 1851. It is re- / produced on the 100th anniversary in 1951. / Prior to 1851, six small villages were in / existence, Mountjoy (Rohrerstown), Richland, / Mountjoy Continued (Wallickstown), Mountjoy Extended, Richland and Mountjoy Connected, and Richland Extension, / The name of Mount Joy was the name of a seventeenth century Irish Ship."