The Butler County Philatelic Society will conduct Butlerpex 2021 from 10 a.m. to 5 p.m. May 7 and 8 at the Tanglewood Center in Lyndora.

The stamp and post card exhibition and bourse, which means the buying and selling of philatelic merchandise, will include a cachet envelope and insert card commemorating the Pittsburgh-Butler Regional Airport.

The bourse will feature 13 dealers from five states. A table auction with material from dealers, club members and patrons will be available until 3 p.m. May 8.

Dealer appraisals, a stamp exhibition, children’s area, U.S. Post Office booth, a snack and luncheon bar, handicapped accessibility and free parking also will be available.