Rhinoceros shakudo menuki with NBTHK Hozon Tosogu. According to certification this menuki were made by Waki Goto School. So a Goto School branch family, not the main Goto family.
Decorated with two rhinoceros with gilded eyes.
Made in Edo period.
1: 43 mm x 16 mm
2: 42 mm x 17 mm
Similar menuki by Goto family main line: