Colnect-2770-740-Chagyokru-water-clock-invented-in-1461.jpg
Source: Colnect
Issued by: Korea
Function: postage
Date: 4/21/1988
Issue: Science 1988
Denom: 80w
Color: multicolored
Design:
Watermark: winged circle
Perf:
Catalog value:



External links:
Colnect 556345..61-Korea_South