Bidspirit auction | Lot of 9 portrait postcards

Lot of 9 portrait postcards of famous Jews and cultural figures - Lot of 9 portrait postcards of famous Jews and cultural figures, including: (1) Albert Einstein (E=mc²), 2 different cards. (2) Dr. Theodor Herzl. (3) Ze'ev Jabotinsky. (4) Lazare Lévy, pianist and professor at the Paris Conservatory. (5) Caricature of a professor and additional portraits. Mixed condition.