This unknown mark can be found, for instance, on the 1 sentimo coin (KM#238).
This unknown mark can be found, for instance, on the 5 piso coin (KM#272).
Please, help me identifying these marks
Sometimes there is nothing to be found about a mark. If you have any information about these marks, please contact me. An acknowledgement will be added.
This mark can be found on the 1 peso coin from 1974-1981 just left of the right shoulder of Bólivar. It looks like an 'E' or a 'w'. Maybe it is part of the design, but I think it just might be a designer mark.