The Peninsula Philatelic Exhibition (PENPEX) held its first show on November 10 & 11, 1951. Since then 41 stamp shows have been held in Redwood City under the name PENPEX. PENPEX was incorporated as a non-profit public benefit corporation on January 7, 1994, but only recently did PENPEX receive its 501(c)(3) non-profit organization certification from the IRS.


An early cover from 1961.

2014 PENPEX Cachet - Christmas StampWhat this means is that PENPEX is now exempt from federal income tax under Internal Revenue Code Section 501(c)(3).

Donors can deduct contributions made to PENPEX under IRS Section 170. PENPEX is also qualified to receive tax-deductible bequests, devises, transfers or gifts under Section 2055, 2106, or 2522.

PENPEX has offered local stamp collectors the opportunity to purchase material, display their collections in competitive or non-competitive exhibit frames, bring in youth to enjoy stamp related activities, and meet up with other collectors from the area. We have been fortunate to have many great volunteers that have supported the show with their time, ideas, and labor. We also appreciate all donations that we have received and are looking forward to future ones.

We look forward to seeing you at the next PENPEX which will be held December 5 & 6, 2015 at 1400

Roosevelt Ave., Redwood City.
Kristin Patterson, PENPEX Chair

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