Basque Country, Spain, France
Document of establishing the FederaciĆ³n Internacional de Pelota Vasca.
Source: https://www.wikitimbres.fr/timbres/86/pelote-basque
La Pelote Basque - french post card 1956
Source: https://www.wikitimbres.fr/timbres/86/pelote-basque
Video:
The Rules of Basque Pelota (Mano, Paleta & Chistera) - https://www.youtube.com/watch?v=DiQnm5orBas
Miscelanea_de_datos_para_una_historia_del_juego_del_pelota.pdf