The medal's obverse bears the seal of Puerto Rico.
The reverse depicts a view of the Capitol Building in San Juan. Around top, 1970 CONVENTION SAN JUAN, PUERTO RICO; under building, CAPITOL BUILDING - Batista ~ 1970; in exergue, NATIONAL CONFERENCE OF / STATE LEGISLATIVE / LEADERS
The seal of the Commonwealth of Puerto Rico has several figures that also are present in the seal that the Spanish Crown gave to Puerto Rico in the early part of the XVI century. The lamb represents peace and confraternity. The two letters F and I stand for the names of the Spanish royalty, Fernando and Isabel, at the time of the discovery of the island. "JOANNES EST NOMEN EJUS" translates into Juan is its name, since Puerto Rico was first known as San Juan, which today is the name of its capital city. Around the circle are arrayed the towers of Castile, the lions of Leon, the crosses of Jerusalem, and Spanish flags that signify Puerto Rico's hispanic heritage.