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Antarctic Scientific Activities. 1961-68. 1 cent Aurora and Camera Dome. 2 cent Banding Emperor Penguins - Aptenodytes forsteri. 4 cent Ship and Iceberg. 7 cent Measuring Snow Strata. 10 cent Wind Gauges. 15 cent Weather Balloon. 20 cent Helicopter. 25 cent Radio Operator. 50 cent Ice Compression Tests. $1 Parahelion ("Mock Sun").
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