The Alolan Meowth has some very minor differences from the basic Meowth: Color, and bent whiskers. That's really all there is, and that's not really much to go on. For images like these:
post #1011736 post #1010407
It's pretty obvious if it's a Meowth or Alolan Meowth. But what about
post #1026844
Do we go purely by the artist's intention, or keep an eye out for how straight the whiskers and antennae are? Should we just tag both tags on these particular images since it actually looks like it could be either?
Updated by Delian