1938 Dionne Quintuplets postcard, Callander, Ontario.

1938 Dionne Quintuplets postcard, Callander, Ontario. 2c Mufti tied by Callander, Ontario cds (JU 22) to Decateur, Illinois, USA.

The Dionne quintuplets were, sadly, treated as a side show attraction and of substantial interest to the entire world.

You can learn more at https://en.wikipedia.org/wiki/Dionne_quintuplets