Vladimir K. Zworykin Inventor Autographed 1971 TLS PSA/DNA 177050

Offered is a Vladimir K. Zworykin Inventor Autographed October 15, 1971 TLS Typed Letter Signed. He invented a television transmitting and receiving system. This TLS is authenticated by PSA/DNA and includes their Tamper-proof Hologram Sticker and Certificate of Authenticity.