The Hallmark Group - World Specialists in Historic Commemorative Stamp Issues in Precious Metals. For over 25 years the Hallmark group has collaborated with government to celebrate important national events. Historic postage stamps are re-created as a series of exquisitely engraved ingots, flawlessly minted in solid silver and plated in pure gold.
The Ultimate Marvel Collection
Now, for the first time, the United States Postal Service has authorized each of the Marvel Comics Super Heroes stamps to be minted as a fully colorized solid silver ingot. The collection also includes 20 officially authorized pure silver medallions that feature colorized images of famous Marvel Super Heroes and villains like Captain Marvel, Thor, Green Goblin, and Dark Phoenix.
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