Some of the lesser known finned Mopars were the ones produced for the international market.
Canadian 57/58 Plymouth-based Dodges
Offered in Canada was the Plymouth-based Dodge (aka Plodge) that went by the name Mayfair, Regent & Crusader. These Dodges were essentially Plymouth bodies with Dodge front clips and Dodge badging.
Offered exclusively overseas was the Plymouth-based DeSoto (aka PlySoto) that went by the name Diplomat. These cars were essentially Plymouth bodies with DeSoto front clips and DeSoto badging.