CLARA ADAMS SIGNED 1930's GRAF ZEPPELIN BOOKLET Clara Adams was a pioneer of commercial aviation during the 1920’s, 30’s, and 40’s — and always as a paying passenger. She was aboard the maiden flights of the Graf Zeppelin and Hindenburg airships as well as many other maiden flights and she was the first female passenger to purchase a ticket $3000 for the first flight across the Atlantic in October 1928. An original booklet, signed in ink.