Stamp on the vase

[Сергей Нава]

Good afternoon.
Dear experts, help to define the meaning of mark on the bottom of the vase.
I would be most grateful.
I apologize for the photo, so far only as such.

From SW.
Sergei

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Сообщение от Sergei Nava

Good afternoon. Dear experts , help to define the meaning of mark on the bottom of the vase. I would be most grateful. I apologize for the photo , so far only as such .
From SW. Sergey

 Here are the size vases :
Height - 28 cm
 Obemy bottom - 52 cm diameter - 16 cm
 The volume of the mid - 81 cm diameter - 24 cm
 The volume of the bottle - 45 cm diameter - 14 cm
 At the bottom mark . Tolley Chinese or Japanese , I hope you tell me .