Buffalo, N.Y. Exposition/Aug. 26, 1892/Branch Office. Double circle postmark (Bomar B92-01) tying 1890 2¢ on cover with illustrated corner card of "Frank H. Lattin, Publisher of The Oologists", adhesive additionally tied by negative star cancel, reduced at right & tiny cover tear at left, Very Fine, a very rare Exposition marking of which only four examples are recorded. Estimate  $500 - 750. $0 (Image)