It's sad isn't it.  There doesn't seem to be any respect for anyone else's property these days.  We've lost 3 TB's, that I can remember, so our coins stay with us now.
On a brighter note the coin I was looking up was the silver version of this one http://www.clements.ca/daniels-geocoin-collection/item/jr20-2006-making-tracks.  It was the first geocoin we found, I think, and I was dead chuffed when I picked it up on fleabay recently.