REGISTERED COVER to Berne, Switzerland, franked with 20 lep. pair and single with double overprint (Vl. 6β), cancelled with type V New. Terr. cds "ΑΡΓΥΡΟΚΑΣΤΡΟΝ 26 ΜΑΡΤ. 1915". Registered label "R-GREECE-ARGYROCASTRON 635" and 3 various arrival cds. VF