Looking for some help trying to figure out Gianelle wheels

[Ashtar]

I was hoping to find a stamp on the inside of the rims telling me what the offset is. But this is what I've found. Can anyone make any sense of these stamps?

Sponsored

 

[Bikeman315]

I was hoping to find a stamp on the inside of the rims telling me what the offset is. But this is what I've found. Can anyone make any sense of these stamps?

Best to call them directly. Not a popular brand on this forum.
https://giovannawheels.com/contact-us/

 

[Ashtar]

Found the stamp. ET40

Sponsored