It seems that some consumers already have been able to order Ryzen 5 processors, interesting as these should not be available for another three weeks.
Likely it was a mistake at a distributor somewhere, and a shop or two didn't care. And yes, you will have to travel to Paraguay and find the shop, but somebody in Paraguay is shouting "who's your daddy!" :-)
Of course, to skip the embargo date by this amount, well that's just steep alright. The photos have been posted on Reddit, the end-user who has his hands on that platform bought a Ryzen 5 1600 (six-cores enabled processor) and a MSI B350 Tomahawk motherboard.
AMD Ryzen 5 1600 already selling