Marconi, Guglielmo - Signed Card

Italian inventor (1874-1937) and electrical engineer, known for his creation of a practical radio wave-based wireless telegraph system.

Fine card signed by him attached with a half-tone photograph of him, mounted on a mat. Size is 8.75 x 7.8 inches, card 5.4 x 4.5 inches, rust stains, in overall very good condition.