Good luck.. I didn't realise seeds had a shelf life until recently. I've tried to germinate seeds I've had since 1993. They have never been in a freezer but have not been exposed to any light or excess heat. One of them the shell cracked open but failed to do anything else.. others haven't germinated at all. Although I've had 100% success with other seeds that are at least 3+yrs old.
Its worth a try.. keep us all up to date with your progress.