I find the thought that somebody would just keep another persons pin collection if they found it very upsetting, there are more good people out there than bad, I feel fairly hopeful that at least 90% of people would hand it in, don't give up yet.
I'm not sure how it's allowed But I Have 2 lanard' s from the " Year of the Million Dream " with 2 sets of pins on each ( we won them when we got off Tom Sawyer Island . also I have 3 pins still in box Jungle Book 40th Anniversary . I'd be Happy to send to your Daughter ( No Charge)