Geolopes

New England Cartographics, of Amherst Massachusetts, reuses their surplus U.S. Government topographic maps by turning them into envelopes and stationary. These unique and affordable mailers are a surprise every time - you never know what area of the U.S. you will receive. The few of these I have I have cherished for years, to the point that I have photocopied some of them in order to preserve the ones I have! These make great gifts as well!