ROCKET MAIL card

• Very thin (paper) card was rocket-flown on October 4, 1935 by Stephen H. Smith - Gangtok, Sikkim.
• Addressed to, and signed by Smith in black ink. 
• Contents of the rocket ("137 such missives") listed on the reverse.
• Some repaired damage, which is typical for cards from this flight.
• EZ SIKKIM 16C1.