Sorry to say this looks really bad. White dots shouts not happen and yes discoloration is very noticeable. I think they will send your bag to Paris. I personally would push for replacement. Maybe get store credit and buy another bag. They do not have the same grey this year, but they made other bags.It's very difficult to capture on camera. Also, in artificial light, it is not very noticeable. In daylight though it is very obvious. I did contact the SA that I bought the bag from (NYC and not my home store/current SA) and was basically told 'sorry to hear' and then she never replied again. My current SA is great and we will send it in to see what can be done.
While the white dots (popped caviar mounds) can be dyed and 'fixed', new ones are still appearing. So, my concern is that they'll fix the popped ones, but new ones will appear constantly. Plus, I don't think anything can be done about the yellowing.
The discoloration shows best on the picture with the CC. The piece that holds the CC is not discolored, but the leather of the flap itself is - it's very noticeable in that picture. On the back, the pocket piece is not discolored, but the leather of the bag around it, is. The picture of front with the flap open, you see a bit of discoloration on the bottom, but the part that was hidden/protected by the flap, is not as much discolored. it is very obvious in daylight, but doesn't capture well on camera.
Since different pieces of the leather (CC tab vs. main body vs. back pocket) are either discolored or not, to me is a sign that there is something wrong with the application of the 'color or protectant'. If it was from the elements (though it continues yellowing while sitting in the dark on a shelf), it would be all parts, not just the main part, with the pocket and tap not being affected (IMO). The leather in the strap has greatly discolored and is now darker than the body.
I'm heartbroken over this as I love this bag so much and I feel like I cannot use it anymore, unless I go out at night in a dimly lit restaurantin which case, I wouldn't bring a jumbo.
Edited to add that I am being super carful with my bags and they do not get tossed around. They sit on my passenger seat then hand on my shoulder until they are back in the passenger seat. The bag otherwise has no wear and tear.
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Now you made me worried. I will check mine tomorrow and post pictures. Mine is also 20 c grey medium but I bought from London in nov 2019 and have not used it even once.