The story starts with this -
Kimberly Paulson-Schulman, formerly of Fargo and now of Burbank, Calif., found it in a resale shop in Burbank, saw it was framed in Fargo and sent it to Neighbors, hoping someone could identify the people in it and tell of the occasion on which it was taken.
with more details in a recent follow-up article
Best read right from the horse's mouth, blogger Ian Watts.
Beyond what's been already stated, anyone in the peanut gallery have any fresh observations?
Hi-rez pic here.