Moebius Strip

A Moebius strip is a surface with only one sided. Mathematically it is non-orientable.

Stamps

Stamp Description
Luxembourg, 3fr.1969
Scott: 480 A131a
Belgium, 3fr, 1969
Scott: 723 A242
Germany, 30pf, 1969
Scott: 995 A293
Brasil, 1p, 2015
Scott: