My parents found one o’ these - an old bagatelle game called the Gold Star, manufactured in the '30s or early '40s by a company called Lindstrom. (Well, they had no idea what it was, but I Googled it for them and got that page.) They’re thinking of putting it up on eBay or some such, but they want to have an idea of how much it’s worth first. I Googled for that information, too, but couldn’t find anything. Would the Teeming Millions have an answer?
Ummm…it might be easiest to just look on Ebay and do a “Show completed items” search. In addition there are a bunch listed for sale. That should give you a starting range.
It appears that unless yours has some real special significance the average sold price range is around
$5-$30.
ah… the obvious answer. I am abashed. :o Thank you. 
I have no idea what the Gold Star bagatelle is worth, but I think that before you go running off to E-bay with a price of $30, you should look into this a little further. Some of those old games can be quite valuable, and you wouldn’t want to sell to somebody who is only going to turn around and sell it for ten times (or more) than that.
FWIW, a quick search at the Internet Pinball Database found Lindstrom’s Gold Star was built in 1934–to coin game fans, if it is still playable, the age alone might make it quite valuable. Perhaps somebody at that site can point you somewhere you can find out about pricing the game accurately.
Good luck!
I think you miss the point of an auction. If an item has collectible value, the minimum bid is irrelevant; collectors will bid the price up to the market value. I frequently post auctions at a minimum bid which I know is far below the market value, then watch as the price goes up five or six times the minimum bid. It is unlikely that someone could buy an item on eBay, and then turn around and sell it on eBay for more than they paid. Now, if you didn’t do your research, and listed it improperly with a title or description that did not accurately describe what you were offering, it is possible the collectors would be unable to find it, and the price would stay low. But that is your own fault; sellers who list without doing research are not entitled to fair market value.
I guess my point, Fear Itself, is that E-bay is not the only place one can sell a coin game.
There are any number of amusement-machine operators out there, some specializing in antique games (and it sounds like this one is antique), and it would seem to me that a few quotes from one or more of them would be a good place to start asking about prices. They’re easy to find; look in the Yellow Pages under “Amusement Machine Operators,” or similar.
The operators might also be a good source for information on selling coin games–either through a live auction (there are such things for coin games), or through a general sale (many operators will sell old games also), or perhaps, even through E-bay.
I guess I wasn’t too clear in my post, but as one who has been to these places and done business with the operators, I think they are a better place to start looking for this kind of information. Just my opinion; YMMV.