These are primarily Paul Siple polar covers without any Scouting elements, other than the addressee.
Autographed Paul A. Siple Byrd Antarctic Expedition II
01/30/35
Little America, Antarctica
Rubber stamped
Black
Official Cachet
To Abraham Lincoln Council, Springfield, IL
Autographed Paul A. Siple Generic Naval Anchor
02/06/36
Cincinnati, OH
Printed
Blue
Autographed Paul A. Siple South Pole 1956-57 61
11/29/57 & 11/29/61
Pole Station Antarctica U.S.N.
Rubber stamped
Black & violet
Autographed Paul A. Siple South Pole Richard L. Chappell Little America
11/29/57
Pole Station Antarctica U.S.N.
Rubber stamped
violet
Chapell was the Eagle Scout who was part of Operation Deep Freeze in Antarctica during the 1957-1958 International Geophysical Year (IGY)
