Chanel Sport Line Top Size

I believe I purchased this at a Chanel boutique in Hawaii. It's been a while, so I apologize if I'm mistaken.
I only buy from authorized retailers, so there's no doubt it's authentic. However, if you can't distinguish between genuine and fake, please refrain from purchasing to avoid any issues.
Please confirm the item with the images provided before purchasing.
I can add more images upon request, but returns are not accepted to prevent any swapping of items.

Vintage item, hard to find.
This is a sports line T-shirt.
Size 40.
Features a large Chanel mark on the back made of a rubber-like material.

I've taken good care of it over the years and haven't worn it much, but there's a slight yellowing under the arms.
It's so faint that it's difficult to capture in the images, and you probably wouldn't notice it unless you looked closely, but please refrain from purchasing if you are concerned.
There are no other major damages, but the fabric is white, so please refrain from purchasing if you are sensitive to such things. Please consider only if you understand that this is a used item.

Stains, tears, odors... Yes.

Pattern/Design: Solid

Pattern/Design: Print (logo, etc.)

Color: Gray系 (Gray-ish)