Stephen Koschal, Autograph Authenticator, Quality Historical Autographs and Signed Books Bought and Sold
Carlos Alonso Aviation Art - Obra terminada: "Bye bye Katiuska (la 4ª victoria de Reinhard Seiler, 12 de enero de 1938)", acrílico sobre tabla entelada, 61x43cm. Finished Work: "Bye Bye Katiuska (Reinhard