Green and white stock certificate issued to P. (Percy) A. Rockefeller for 100 shares of Aviation Corporation of the Americas; certificate number 114, dated August 17, 1928; official corporate seal impression and original signatures of R. G. Thach, Secretary, and C. V. Whitney, President; signed on verso by Rockefeller on January 25, 1929; countersigned August 17, 1928 by The Equitable Trust Company of New York, registered August 17, 1928 by The New York Trust Company; certificate note by American Bank Note Company; document defaced by hole punch cancellation at lower left and right.