National Capitol of Colombia, with Bolívar square on front.
Obverse lettering
CAPITOLIO NACIONAL
FIBO (Translation: National Capitol FIBO)
Obverse script
Latin
Reverse description
Colombian coat of arms, commemorated event name above, dates below
Reverse lettering
SESQUICENTENARIO DEL CONGRESO DE
COLOMBIA
CAMARA DE REPRESENTANTES
1823 - ABRIL - 1973 (Translation: 150th. Anniversary of Colombian Congress House of Representatives 1923 - April - 1973)