43001.
Balloon Ascension, Stockton, California, July 4, 1876.
Prof. Ivy Baldwin at Mid-Summer Fair, San Francisco, Calif’n 1894-Capacity of Balloon Car-20 People. Baldwin & Sherman Steam Captive Balloon. Blank certificate for certifying a person’s ascension in the balloon. “Ivy Baldwin Aeronaut, San Francisco” stamp on verso.