RMX Markings
The RMX marking was first used in SPS in early 1930. It was used throughout the country through 1939.
Similar but removed capital letters from lower font and added C.A.
The RMX3 marking was used in Tegus area from 1928 through 1939. It was a favorite in Duron's creations.
Certificados became Certificado and lower font changed to upper case.
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