Mei (signature) : Mumei (Unsigned)(Kodai Higo school)
Dai Length : 7.83 cm x 7.42 cm x 0.33 cm
( 3.08 inches x 2.92 inches x 0.12 inches)
Sho Length : 7.50 cm x 7.12 cm x 0.33 cm
( 2.95 inches x 2.80 inches x 0.12 inches)
Jidai(era) : Middle or late Edo period.
Special feature : On the nice red taste copper plate, the rim is coverd by syakudo.
On the Ji, playing dragon and a cloud are engraved by katakiri style.
AOI estimation paper
NBTHK Hozon Paper
In Kiri box.