Switzerland. (Saarland). 1940. Stamp-less envelope written from Saarbruken addressed to a 'Captaine Rene Lucas, Aviation, Batiment "Benchof", Camp d' Internement de Kanderstag (Suisse) with circular 'Deutsche Rotes Kreuz/ Kreisftelle Saarbruden-Land' with boxed 'Zuc./ Feldpost' in carmine on face, with German censor label on reverse and forwarded to Guenbad.
Lovely item of Red Cross mail with distinctive Saar (Metz) Red Cross German cachet addressed to a French pilot interned in Kanderstag Internment Camp.