Foro de Filatelia Argentina

Hello,
Can anybody help me to find the Revista F.A.E.F. N°137 (septiembre 2012) > Miguel Ravignani wrote a paper on "el servicio fonopostal".
Thank you.
Best regards.
Jean

Hello,
Can anybody help me to find the Revista F.A.E.F. N°137 (septiembre 2012) > Miguel Ravignani wrote a paper on "el servicio fonopostal".
Thank you.
Best regards.
Jean

Hello,
Can anybody help me to find the Revista F.A.E.F. N°137 (septiembre 2012) > Miguel Ravignani wrote a paper on "el servicio fonopostal".
Thank you.
Best regards.
Jean

An advert with the rates.
has anybody more informations on this fonopostal service ??
Jean

Picture of backside.
Jean

Hello,
For the moment i've never seen an other fonopostal letter with the special stamp.
We find letters with different rates but nobody understand them.
regards
Jean