Hoya sp. VN Vietnam Came From Ric Morier

I bought Hoya sp. VN Vietnam as a cutting from Ric Morier in an eBay sale in the early summer of 2018. I suspect that this is a Hoya that he brought back with him from his travels to Vietnam. I also believe that this Hoya is fairly rare as the asking price was $28 for an unrooted cutting, which for Ric is a lot of money. Below the entire plant: