1978 Panama 20 Balboas Coin with box and COA
Date: 1978
Denomination: 20 Balboas
Issuer: Panama
Composition: Silver (.925)
Weight: 129.59 g
Diameter: 61 mm
Edge: Reeded
Obverse
National coat of arms
Lettering: 
REPUBLICA DE PANAMA 
75° ANIVERSARIO
*********
PRO MUNDI BENEFICIO
LEY 0.925 FM
20 BALBOAS
Reverse
Spanish discoverer Vasco Nuñez de Balboa standing facing left, upraised right arm holding sword, and left arm a flag
Lettering: 
VASCO NUNEZ DE BALBOA 
1978