I have one round-trip ticket good for travel between USA or Canada and
Europe, Hawaii, Latin America, or the Caribbean.  It is fully transferable 
and can be used originating here or there.

I had intended  to use it to visit my grandfather who was sick, but he died 
before I got there so I have no use for it now.

I'm looking for $500 or best offer, but act fast it will be gone on April 15
no matter what.