Inscription on the rim, read as 永久世用 eikyūseyō countermark (珍) on rim
Reverse script
Reverse lettering
永 用 世 久 珍 (Translation: For the Everlasting Use of the World Treasure)
Edge
Smooth
Mint
Mintage
ND
(1708-1709) - 浅冠 ASAKAN; DHJ#5.2 (left stroke of 目 radical of 寶 ends at middle of last stroke of 王 radical) - ND
(1708-1709) - 深冠 FUKAKAN; DHJ#5.1 (left stroke of 目 radical of 寶 ends at last stroke of 王 radical) - ND
(1708-1709) - 直永 CHOKUEI; -