Hourglasses and sunglass from the State Hall of Mathematics and Physics in Dresden.

Relojes de arena y sol de la Sala Estatal de Matemáticas y Física de Dresde.
OwnerNemesio Ramirez Lemos
CountryGermany
Colection
Face value50 Pf.
Measures26x43 mm.
Year1983
StateUsed
StatusInterchangeable
CategoryCommemorations
FormatVertical
ColorMulticolor.
Other informationPerforated stamp
visualizations45