For the December 5-6, 1992 PENPEX Stamp Show, the Foothill (Los Altos) Stamp Club joined the Peninsula and Sequoia Stamp Clubs along with the Redwood City in sponsoring the show.
The show cachet featured the carrier U.S.S. Enterprise and the 1992 WWII series stamp. The show cachet sold for $1.50 each or $14 for a set of ten.
A complete History of PENPEX exhibit will be on display at PENPEX 2011 on December 3 and 4 at the Community Activity Building, 1400 Roosevelt Avenue, Redwood City. The stamp show is free and open to the public.