PMD

25 Troy Ounce Cast Bar by C. Rhyne

Never heard of them before, but there appears to be an interesting back-story.

A 1kg silver poured schöne Bar can’t wait to add some Engel hard to this.

It's a coin, not bar...
 

Royal Mint Una & The Lion 10 oz silver bar, plus its 1 oz gold sister and their 1 oz gold Britannia bar cousin:
 

Rare bar

Rh Au
Pd Pt

Impressive ! You were lucky ti find so many, my LCS has always been out of stock on silver bars for the last months ...

And here is it's big brother.