1998 postal usage of AAT airmail NVI 'maximum' card to Victoria with Macquarie Island 'penguin' cds & social message from an expeditioner, mail centre sorting marks at the base prove it went through the mail; and late usage of 1986 Antarctic Treaty FDC later with steel 'ANARE MACQUARIE IS AUST/24JA1987' cds & photocopy of the enclosed original social letter. Scarce duo.  (2)

Grade A (Image1)

Estimate AU$100