MILANO, Italy. Special postmark, helicopter mail (1976)

ITALY.

Special postmark:

italia 76
SERVIZI DISTACCATI MILANO C.P.
VOLO CON ELICOTTERO MILANO-LUGANO
23.10.1976

GODTHÅB / FREDERIKSHÅB, Greenland. Postmarks (1977)

GREENLAND.

First day postmark:

GODTHÅB - NOK

FRIMÆRKETS UDGIVELSESDAG / UVDLOK FRIMÆRKIT ATULERFIA

24.02.1977

Ordinary postmark:

FREDERIKSHÅB / PAMIUT

20.04.?.

ŚWIDNIK K. LUBLINA, Poland. Registered mail by helicopter label

POLAND.

21-045 ŚWIDNIK K. LUBLINA 3.

Registered mail label:

POCZTA ŚMIGŁOWCOWA

[Mail by helicopter]

ŚWIDNIK - LUBARTÓW - DĘBLIN.

R

000265.

Thanks to Kazimierz.