Calico guinea pig Pepper, Small Mammal, lost near River Walk

I lost my calico guinea pig, Pepper, yesterday around 3pm after I stopped by a cafe near the River Walk. Pepper is about 9 inches long, with a mix of white, black, and orange fur, and she has a small white heart-shaped patch on her left flank. She's shy but curious and usually comes when I call her name. I'm really worried - this little girl is a gift from my grandmother and means a lot to me. If anyone spots her near Alamo Street, Market Square, or the River Walk area in San Antonio, please drop me a line. I'd be forever grateful to get Pepper back home.