Vallauris! Faux or false? :)

[Rossie]

I have this bowl from my mom. Its bottom marked "Vallauris". She only confirms the bowl is old and made probably in the 50s or 60s.
Ive checked some places and i saw  the same item with the same, different(with the name or signature of the designer), or no mark  So... authentic or nice replica?

Thank you!

[KC]

Here's another example!

https://www.antiquehelper.com/item/386736

[Rossie]

Thank you, KC
I know this.
It's not even bottom marked. It was sold for 50 USD.
There are sites where i see the same piece and items from the same collection which cost above 500 USD. But their marks look different than mine (contain the name of the designer)
So i'm confused about the origin of mine, beacuse i placed in on market for 80 USD and if its some kind of replica, I don't want to lie byers!

Thats why i need a more specific opinion

EDIT:
Here is how the mark of those which cost over 500 look:
https://www.1stdibs.com/furniture/dining-entertaining/serving-pieces/faux-bois-serving-bowl-grandjean-jourdan/id-f_982940/

And another - ink mark:

https://www.1stdibs.com/furniture/dining-entertaining/pitchers/vallauris-faux-bois-pitcher-creamer/id-f_1301698/

My bottom mark looks different. Mine is engraved and contains "vallauris" only:(

[Rossie]

I just received an e-mail from the Vallauris Institute of Arts (V.I.A.).
The expert confirmed the piece as "authentic" 

Thank you for your help also!

You can delete this topic, or keep it if you find it useful in future.

Best regards!