Showa Retro Toyo Pottery (TOTO) Hand Wash Flush Valve, Caliber 13mm, Unused Item

This is a flush valve for a handwashing basin made by Toyo Toki (now TOTO).
The old company name Toyotoki is engraved on it, so it's also recommended for those interested in Showa retro products.
This is a new, unused item, but please only purchase if you understand that it has been stored for a long time.
It will be shipped via Takkyubin Compact.
*Shipping procedures are not performed on Saturdays, Sundays, and public holidays.