Colnect-3422-421-Otto-Wallach-chemistry---Johannes-van-der-Waals-physics.jpg What: stamp
Type: Sweden postage 12/10/1970 55o slbl issue=Nobel Laureates in 1910 dt=Nobel winners (1910) unwmk perf=*s3

State: used

Visibility: public



Owner: Stan Shebs




Creation date unknown