Before proceeding to authenticate any articraft first make a small research your self and find out if there is something that can give it off as a reproduction. If this fails than the next step is to find an art expert. He will make a written or verbal assesment perhaps under a small fee and tell you wether your articraft is genuine or reproduction.
There is a Renoir painting called 'Roses'.
There are on the market plenty of handmade reproductions, made to look original.
The original is in a museum.
Show it at a museum. If it is a genouine Renoir oil, it is worth tens of millions of dollars. If you have bought it for less, it is probably a reproduction.
Try the site at the link below:
[object Object]
Renoir's last painting (1918) was a nude titled Les Baigneuses or The Bathers. It is an oil painting on canvas.
Renoir painted it in 1916.
The style of painting popularized by Claude Monet and Pierre Auguste Renoir was impressionism.
It means this is not a Renoir original.
The identities of the women in this painting are not known.
Renoir's last painting (1918) was a nude titled Les Baigneuses or The Bathers. It is an oil painting on canvas.
Renoir painted it in 1916.
The style of painting popularized by Claude Monet and Pierre Auguste Renoir was impressionism.
It means this is not a Renoir original.
Renoir started this painting about 1881 and made substantial changes in it about 1886.
It was in his teens.
The identities of the women in this painting are not known.
Painting women.
By painting porcelain in a factory.
It would take museum expertise.
Some million dollars.
It is in a private collection.