New Historical Metals from Guatemala [Risolto]

I have 3 of 12 metals that were sold by the Fundacion del Centavo, under what they call "Serie Popol Vuh Fundacion del Centavo" that I would like to update the catalog with.  I am new to the group and have not added any new coins, much less metals, so I am a little concerned about getting it right.  I found a page that explains it somewhat https://www.monedasdeguatemala.com/quetcat.html and I am attaching a screenshot of what I have (3 of the 4 produced in 1976 .   I have emailed the Foundation asking who actually produced the metals, we will see if they respond.

Hello, 

for medals and any other exonumia, start with this link: https://en.numista.com/catalogue/contributions/pre_nouveau.php?type=exonumia You can also find it at the bottom of any catalogue page. Fill out what you can and send it to us.

Best regards,

Jarek