complimentary ticket

Hi all. I'm a Disney employee at Disney Theatrical in NYC. I've had my main entrance pass for less than and year and haven't had a chance to explore it until now as my sister decided to take my niece to DW for her birthday. My main question is about the 3 complimentary passes that I get with...

So I happen to have a super rare complimentary ticket to Disneyland from 3 days after it opened. It was my great aunt's and I found it in a stack of papers when I was helping her move from her apartment. I haven't been able to find any real information on these. I am not a Disney fan and know...