I've found a couple of uncommons in my common trade groups so I thought I'd post them (I tend to check this after every rarity change, so they should be new uncommons):
(Sorry if any of them were posted before.)
Edit:
When I got this as a gift last month I'm fairly sure it was uncommon, now it's rare.
(my dragon has items on it, decided to use this picture)
And I'm not sure but I think this was also uncommon, now rare. I'm not as sure of it though.