Philadelphia PA 1899 National Export Exposition Collection, about 40 covers or cards, (also a few uncounted fronts) each with Barry slogan or flag cancels advertising the fair, numerous different types, some with c/c advertising, an advanced group ready for further expansion, most are F-VF.

CV. 200-300

World Columbian Exposition Postal Cards with Expo Cancels Domestic Uses Group,  30 assorted Goldsmith cards with American machine (20) or usual duplex (10) cancels, usual mixed condition, VG-VF (no photo)

CV. 200-250

World Columbian Exposition Cancels Assortment, duplex (6) or machine (11) favor cancels primarily on assorted UX10 Goldsmith postal cards, duplexes are all Nov or Dec Bomar type C93-02 incl examples on MR1 and MR3; machines all June, Sept or Dec  Bomar type C93-11A, F-VF. 

CV. 400-500