Vintage is not my forté but this item is authentic, IMOHi Authenticators!
I would love to seek your expertise in authenticating this item I bought off Poshmark a while ago.
Item Name: double strap shoulder bag
Seller name or ID: adelfino523
Working Link to pictures:https://posh.mk/uFwhGYowFkb
Comments: I'm adding my own pictures.

It's probably from the late 80s or early 90s I think.