Baltimore Philatelic Society Stamp Show (BALPEX) is a world series of philately show. This 3 days stamp exhibition is being organized by American Stamp Dealers Association. The venue of this event is Marriott Hunt Valley Inn which is located in Sparks, Maryland, United States of America. The event will be held from 31 August 2018, Friday to 02 September 2018, Sunday. BALPEX 2018 will showcase a wide range of products and services related to philatelic sector from the leading exhibitors, for example, postage stamps, revenue stamps, covers, special stamps, postal stationery, postcards, cinderella stamps, special program of envelopes with embossed stamps, phone cards, letters, special post office, requisites, coins, albums, catalogs, publications. The frequency of BALPEX is annual. The first year of this stamp exhibition is 1930.