Contains 1 oz of .999 fine Silver, with an antique proof-like finish.
Strict limited mintage of 999 coins worldwide.
Obverse: Features a bright, colorized relief down into the black hole. The title "Supermassive Black Hole" is engraved at the top, with the year engraved at the bottom. The swirling space debris in the black hole has a selective proof mirror-finish.
Reverse: Likeness of Her Majesty Queen Elizabeth II along with the purity and metal type.