They contain. A nice item for framing. at least actual US Stamp that are in mint condition, and descriptive text.
1999 Commemorative Panel Honoring 20th Century Trains
The Helicopter 1987 commemorative calendar 1907–1987 Sealed
1999 First Day of Issue - Postage Stamp honoring RR - 20th Cent Limited - Mystic
1999 First Day of Issue - Postage Stamp honoring RR - Super Chief - Mystic
1999 First Day of Issue - Postage Stamp honoring RR - Congressional - Mystic
Honoring the Steam Locomotive in the California Mountains & First Day Cover
