标准 A 标。
1989 年到大概 2005 年
比之前的茄标少了凹凸
标准 B 标。
大概从 2005 年起
第一个 ICT 茄标
Early Band 1
c1900s to c1920s
López y Cía is owner's name. Embossed.
Early Standard Band 3
Early 1920s to c1930s
M. Gonzalez 10 is factory address. Embossed with blue highlights
Early Standard Band A
c1930s to mid 1960s
M.Gomez 51 is new factory address. Embossed.