I'm exhibiting my collection since 2016, here are the scans from my exhibits:
In french language:
*National level in France 2016 May 20/21 (
"1945/1946 hungarian hyperinflation and postal consequenses"
*Regional level in France 2017 October 21/22 (
"A postal using in 1946 : from the birth to the death of the adopengo"
In english language:
*National level in Hungary, Hunfila 2021 , 2021 May 29/3 (
"Hungarian Hyperinflation of 1945-1946: when the recipient had to pay"