Sadly, this is a common occurance. When my mom was in a care facility they were careful to tell us to clearly label anything we brought and to not gift her with anything valuable - either $$$$ (US or Aussie) or sentimental. They did their best to keep items straight but other residents had memory or cognitive issues and would decide that mom's new quilt was the one that was on their bed as a child and would remove it to their room. Hope they can track it down for you, and if not, that it is bringing comfort to someone even if that person was not the intended recipient.