If you want to receive 2 numbers per year of Post Horn Magazine, you have to subscribe to CIFO Society, following these steps:

[1] pay the annual  membership fee:

Italy: € 30,00
Europe: € 50,00*
Rest of the world: € 60,00*

* = postal fees are included

[2] fill the Subscription Form (download here) with all requested data and send it by email to: segreteria@cifo.eu

[3] now, you can pay with PayPal secure gateway by clicking “Donate” here below.