BALPEX also known as Baltimore Philatelic Society Stamp Show is a 3 days stamp exhibition that is being held from 01 September 2017, Friday to 03 September 2017, Sunday. This stamp exhibition is being organized by American Stamp Dealers Association. The venue of this event is Marriott Hunt Valley Inn which is situated in Sparks, Maryland, United States of America. BALPEX 2017 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.