Meltan and Melmetal merchandise incoming, including plush and keychains. Here's the cute promotional art, in which yet another Magnemite is abused by Meltan. https://t.co/iqcbUQgJqI
RSE Nosepass had so many details which distinguish it from its art. Its colour was different, its body was slimmer, and it isn't as smooth and angular. It even looks like it has cracks and a more pronounced brow ridge.
These sorts of difference were more common in Gen I and II.