"The Chinese Vase with Flowers", help to define the artist

[TUNER]

Hello Please help identify the artist. Oil on canvas , 50 x 40 cm , was signed , but almost did not survive , was found to cherdake.Nekotorye say it daub . But others argue that we should look for the author, the type of thing can be a good artist. Judge . Does any value. Thank you for your help in advance.