Lot no. 6121

1940, 27.3., Numeral 5 and 10ø tied by wavy line machine cancel "SLAGELSE 27 MAR 1940" to cover to Thorshavn, with adjacent two-line cachet "Postudvekslingen indstillet Retur Afsenderen", since there was no sender on the back of the envelope and the letter was sent to the letter office where the letter was opened, the address was found, the letter sealed at top "..sent to the sender, who is obliged under the same law to pay any postage due.." and returned with adjacent cds. "KØBENHAVN 18.4.40", very fine and attractive, and only two other envelopes are known where the address was found in the accompanying letter.