1939-1942DOSÍLANÉ A RETURNED MAILING selection of 16 pcs of entires with dodatečnýmidoručovacími postmarks and labels, i.a. letter with red cancel. "NachträglichEntwertet", 5 pcs of Ppc with label Inconnu, Parti, other with postmarks, "Podavatel unknown", "Züruck", Back", "Nevyzvednuto" and other; good condition, rare selection of