It looks like the hugely unpopular New Coke era (1985) with the silver border around the lettering. If so, don't expect it to be any more than a novelty.
1st - Welcome Aboard MrHowie! You didn't list your state (or country) in your profile. So, you might consider jumping over to Sub-Forums: Select Your Area.... and selecting location information (i.e., clubs, hunts, finds, legends, maps, etc.) directly related to your state (or country).