There is no mark on the base. There is wear consistent with age, such as tarnishing. There is also one small area of enamel loss which is shown in the last picture. Please excuse the quality of the photo.
It is very difficult to get a good picture. The enamel loss is about 2-3 millimeters with a curving scratch that extends from the ding that is about 5 millimeters. The vase measures approximately 6 inches tall. This item is in the category "Antiques\Asian Antiques\Japan\Vases". The seller is "delightful_discoveries_by_sns" and is located in this country: US.