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Specimen
Envelope
for
Proposed
Algarsson Flight
This cover was in
a GBPA
auction (27 April 2001) lot 858
the description reads
1925 Algarsson
proposed
North Pole Dirigible Flight printed envelope No 68
(only 100 prepared),
"Specimen" in purple tying 'London-Liverpool' trial flight
vignette. Very scarce
