CTC, United States Commemorative Postage Stamp Celebrating the Century, 1990s,
The popularity of cellular phones skyrocketed as the phones became smaller and cheaper, sound quality improved, and service became more widely available.
In 1999, more than 78 million Americans had cellular service.
Celebrate the Century is a United States Postal Service limited commemorative stamp program that honors the most significant people, places, events and trends for each decade of the 20th century.
Issued May 2, 2000 at Escondido, California,
First Day of Issue Cover, FDC, ArtCraft Engraving Cachet, Ideal for Framing, Unaddressed,