Kawan Baik
No, "best of wishes" is not a standard phrase in English. It is more common to say "best wishes" when expressing good intentions or blessings towards someone.
best regards
We say 'dymuniadau gorau.'
Parabens
You say "Best wishes" in Yoruba language of the Western African origin as "Nko rere fun e".
"meilleurs souhaits comme d'habitude" would be the translation for "best wishes (as) always".
meilleurs voeux
In Bulgarian, you can say "най-добри пожелания" which translates to "best wishes."
In Flemish, "beste wensen" is commonly used to convey best wishes.
In Maori, you can say "me te aroha me nga mihi nui."
bestu óskir