1975 Registered Airmail cover Buea CAMEROUN CAMEROON to USA Mixed Multi franking

Description

1975 Registered Airmail Cover Buea, Cameroon to Wisconsin, USA
Registry Label and stamps tied by 9 - 7 1975 single circle BUEA, backstamps are DOUALA CHARGEMENTS 10 - 7 1975 and Superior Wisconsin Annex double circle JUL 22, 1975.
Mixed franking Scott# 502, 548, 573 (x2), C158 Dickens; one of #573 stamps was creased prior to usage
long cover
Please see scans
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