Argentina, 1954/1973 13 (1/2). different colours

Catalogues:
Michel: 631, 873, 966, 1053, 1098, 1138
Scott: 641, 826/827, 890, 935
Stanley Gibbons: 878, 1023, 1287, 1313, 1315
Yvert et Tellier: 552, 720, 782, 869, 887, 937

Artists: Castro Jose

Plots: San Martin Jose