Description
Valko, G., On the printing process and the varieties of the 'Standing Helvetia' 1882 - 1907, 1978, Zumstein manual, including plate errors etc., 78 pp., with detailed enlargements, linen, very good copy #46381
Valko, G., On the printing process and the varieties of the 'Standing Helvetia' 1882 - 1907, 1978, Zumstein manual, including plate errors etc., 78 pp., with detailed enlargements, linen, very good copy #46381