Prior to 2015 many Citi products were available in both MasterCard and VISA or Amex network versions. I do not specifically recall a VISA version of Prestige issued in the USA, but it is issued in other markets, and VISA Premier was issued here.
Seriously though.... mia is like way more than a moderator. She's like "The Rock" of FT. Is there anything she can't answer? lol.