Mobile Post Office Society Show and Meeting Calendar

Come join fellow collectors at these shows and events. MPOS will have literature, membership information and cover sales for members at shows. Contact MPOS Publicity Director for more information.

  • June 9-10, 2012 - Annual RPO Catch Day Illinois Railway Museum, Union IL - MPOS exhibits & book sales. Special Postmark honoring the Chi & Carbondale RPO will be available.

  • September 21-23, 2012 - MILCOPEX Wyndham Milwaukee Airport & Convention Center - MPOS Annual Meeting

    Help Wanted: MPOS needs representation at APS Stampshow, Aug 16-19, Sacramento, CA. Tom Post would like to hear from any member interested in coordinating MPOS presence at this great show. Contact Tom here