Well, Evyap, the parent company for the brand, started out in 1927. The Arko guy looks like he came out of the mid fifties to mid sixties....just a guess. Evyap says that they ran TV commercials for Arko in the 70's. I did see some second source ad copy claiming it was a fifties vintage product, but who knows, they could be guessing like I am.
I sent your question along to Evyap via their website. If they reply, I'll post it here.
"He must be a king. He hasn't got Williams all over 'im!" - cb91710
I spend my knights at the Veg Table.