sure, and hgow about adding ACE (Copper) AZE (zinc) AStE (steel) and ARE (Rhodium) too? lol I think 3 types is sufficient...you can invest in other ways too
Palladium would be the "natural" next step in the Eagle line-up. I for one wouldn't mind seeing some, especially while Pd is "relatively" cheap yet. Which old design should they rehash for this one? How about the Standing Liberty Quarter obverse?
Pure rhodium would be too brittle to mint into a coin. Maybe a platinum/rhodium alloy coin would work...
Hmm... well if you wanted to bring out an old design, I'd vote for the design that was on the 1915 $50 gold piece commemorative. Besides, wasn't "Pallas" another name for Athena? Seems then a depiction of her would be very appropriate on a palladium coin, lol...
No I don't like the idea. Palladium is a truly rare precious metal with a lot of industrial demand. Annual world production of palladium is only 8 million oz per year, wich probably isn't enough to meet the demand as it is. We don't need a bunch of collectors taking a big bite out of that as well.