Saturday, December 26, 2009

Out of the Vault: The Certified Plate Proof Collection

In February 2008, the National Postal Museum received a major Smithsonian grant to digitize its certified plate proof collection. A 3-minute Smithsonian Channel video tells the story from start to finish.

To view video, click above.

To view the collection, click here.
Bookmark and Share
posted by Don Schilling at 12:01 AM