The arms of Panama with nine stars above representing the nine provinces at the time (there are now ten) with the country name below and the date in between the wreath at the bottom
Obverse script
Latin
Obverse lettering
REPVBLICA - DE - PANAMA
PRO MUNDI BENEFICIO
1975 (Translation: Republic of Panama For the Benefit of the World)
Reverse description
An armored bust with a helmet of Vasco Núñez de Balboa facing left and touching the rim surrounded by value in letters and wreath
Reverse script
Latin
Reverse lettering
VN .
CVARTO . DE . BALBOA (Translation: One Quarter of a Balboa)