Herbert Hoover 31st President Signed 8×10 Photo PSA/DNA LOA AUTO AutographHerbert Hoover 31st President Signed 8×10 Photo PSA/DNA LOA AUTO Autograph. For questions on this item, please call Probstein123 at 973 747 6304. Please wait for the invoice…. Box 1 – 18. The free listing tool. The item “Herbert Hoover 31st President Signed 8×10 Photo […]