Lot 293 Belgium & Switzerland (C) 1957-1958 Antarctic Base Issue, A Very Fine Used Cover, Mailed From Brussels To Belgian Antarctic Base, Back to Brussels & Then On To Switzerland

A very fine used 1957-1958 Antarctic Base Issue, mailed from Brussels to Belgian Antarctic base, back to Brussels & then on to Switzerland.

With December 2 1957 Brussels, January 5 1959 Base & Feb 24 1958 Brussels Cancels.

Scott doesn't list this variety, so we estimate it at $20. The stamp offered here grades 75 as follows:

Centering/Margins: 35/60

Paper Freshness: 5/5

Colour: 5/5

Impression: 5/5

Absence of Visible Paper Flaws: 5/5

Perforations: 10/10

Cancellation: 10/10