Paper collectibles make an interesting addition to an insulator collector's display. Some collectors specialize in telegraph envelopes and messages. Others collect stocks and bonds of the telegraph and telephone companies, but look at these -- First Day of Issue envelopes.

These First Day Covers, as they are called, are not only very attractive to look at but very educational as well.

These four envelopes, in a frame and displayed, would look just fine with your collection. These potential go-withs for your collection can be as close as your nearest stamp shop.

Centenary of the Telegraph, 1844-1944 "What Hath God Wrought"

Centennial of the Birth of Thomas A. Edison, 1847-1947

Centenary of the International Telecommunication Union, 1865-1965

Centennial of the Telephone, 1876-1976