 |
What: stamp
Type: Japan postage 8/17/1990 62y multi issue=International Congress of Mathematicians 1990 d=Origami Polyhedron unwmk State: used Visibility: public Owner: Stan Shebs |
Created October 2, 2014, 9:09 pm |
| |
What: stamp
Type: Japan postage 8/17/1990 62y multi issue=International Congress of Mathematicians 1990 d=Origami Polyhedron unwmk State: used Visibility: public Owner: Stan Shebs |
Created October 2, 2014, 9:09 pm |