Red keychain with 'Mom' heart tag

I lost my keys yesterday around 3pm near the Carson Mansion in Old Town Eureka, Humboldt County. It's a small set on a bright red plastic keychain with a brass house key and a tiny heart-shaped tag engraved 'Mom'. The keychain is a little scuffed from being dropped, and one key has a distinctive notched edge. They unlock my apartment and my late grandmother's house, so this means a lot to me and I really need them back.