ChinaSwitzerland 1904 Postage Due Refused Esperanto postcard
Card sent unstamped from Chartres to Bern with TAX handstamp and Swiss Postage Due Yvert 32, 20c olive tied by Bern datestamp with "Refuse" label and instructional "Retour a L'Envoyeur" in blue, sent back to France with French Postage Dues Yvert 29, 10c brown (Pair) applied on arrival in Chartres.
