III European Convention for Collectors 'ECC 2016' - Zaragoza.
III-VII European Convention for Collectors: 'ECC 2016' - Zaragoza, 'ECC 2017' - Torremolinos, 'ECC 2018' - Sevilla, 'ECC 2019' - Santander und 'ECC 2020' - Caceres.
IV European Convention for Collectors 'ECC 2017' - Torremolinos.
VI European Convention for Collectors 'ECC 2019' - Santander.
VII European Convention for Collectors 'ECC 2020' - Caceres.