Funny you should mention this... the registration form for my 10-year H.S. reunion is currently buried on my desk somewhere
I haven't decided whether to wear my pin or not. A couple of my H.S. acquaintances stopped talking to me when they found out I went greek

so I'm not sure how it would go over.
My husband and I went to his 10-year reunion last year, and I didn't see anyone with any GLO insignia.