Antique Japanese Edo Period Smurai Kozuka Knife Handle With Snail

Rare Antique Japanese Edo period samurai kozuka knife handle, made of copper-gold alloy (shakudō). Exterior adorned with a finely executed raised design of a snail cruising on a warabi. Very nice Kozuka with a rare design of a snail.
CONDITION: Age and usage are showing, with its original patina.
Please notice that the pictures in the listing are part of the description of the object's condition. 
MEASUREMENTS
Overall length: 9.5 cm (3.74 inches)
Width: 14.79 mm
Weight: 33.4 Grams