Here's what dissolving a gold coin in aqua regia looks like, this is about 1/200th of the weight of the 2 Nobel prize medallions: https://www.youtube.com/watch?

Here's what dissolving a gold coin in aqua regia looks like, this is about 1/200th of the weight of the 2 Nobel prize medallions: https://www.youtube.com/watch?v=XoqU1GfIOkI https://www.youtube.com/watch?v=XoqU1GfIOkI