Unique Japan Export series. 
 
Weight: 257g
Volume: 280ml 
FIlter: 7 holes
Bottom Seal: China Yixing 4:4
 
*please consider early factory teapots can have minor imperfections, tool marks, kiln cracks or fire marks. Please consider this, if you are looking for perfection this might not be for you. Old factory pots are perfect in their imperfection~