The Rigida rim is maybe a better clue than your picture--Rigida was just about done in the US market when the Victory and Triomphe stuff came out.

Looking like what are called 'Tipo' hubs. Same level: Grand Sport, Triomphe, like that. Locknuts shoud have a year date. I've got a pair of '70 high flanges built into mountain bike wheels. They polish up nice!

Later

Mel