Black Anker PowerCore 10,000mAh portable charger, lost near Walmart

I lost my black Anker PowerCore 10,000mAh portable charger yesterday around 3pm near the Walmart Supercenter on 10th Ave South in Great Falls. It's a compact rectangle about the size of a deck of cards, with a small scuff on the top edge and a blue USB-C cable still plugged in. On the back there's a tiny panda sticker I added for quick identification. This charger is essential for my day-to-day work—it's a lifeline for calls and lectures, and it has sentimental value because it was a gift from my sister; I’d really appreciate getting it back.