The Preservation Department focuses on the preservation, rehousing, conservation and exhibit preparation of the National Postal Museum’s collection and loan objects. They work with both philately and postal operation objects ranging in sizes from a postage stamp to a train car.

Preservation office

Preserving Your Letter

Trying to care for family treasures can seem overwhelming. Here are some simple steps on how to properly care for collections of letters, postcards and important documents. These standards can also be applied to philatelic cover collections.

Choosing Safe Plastics

When choosing plastic enclosures for storing or displaying a collection, be sure to select one that is “archival” or conservation approved. This article will help explain what to look for, especially for philatelic collections.

Flattening Folded or Rolled Documents

Learn how to flatten folded and rolled documents using a humidification chamber. This method allows the fibers to slowly relax which prevent them from breaking and tearing.

Agents of Deterioration

The 10 Agents of Deterioration are the primary threats to any collection at a museum and at home. By focusing on preventing these 10 agents, it is possible to extend the life of the artifacts significantly.

Preservation Projects

Read about projects completed by the Preservation staff. Return periodically to learn about new projects.

Preservation Resources

Preservation and conservation resources compiled by National Postal Museum’s Preservation Staff.

Artifact Preservation Videos

A playlist of videos compiled by the Preservation staff.