cover 6Kr. light brown and 1Kr. light green on 1872 entire to Belgium, centrally cancelled by single-ring "ASCHAFFENBURG 23/APR." d.s. with boxed "P.D" h.s. (in red) adjacent and showing arrival c.d.s. (24/3) on reverse. Fine and fresh. Signed Pfenninger. M.24X + 22Xa. Photo