Yes, check out NumisMedia.com or just type in "Free coin price guide" in your browser and see what pops up.
Try worldcoingallery.com It's free. Click on the green dollar signs to go to the price reference.
Ask a coin expert . A dealer . Or get a up to date price guide for the coins in question. 3rd party coin graders like P.C.G.S. Or N.G.C. Have a price guide on their sites . Probably the 3 and 4th suggestion is your best bet.
Take them to a coin dealer for an appraisal. It would be a good idea to borrow a price guide (the Blackbook or Guide to US Coins for US coins) from the library and try to separate the 'good stuff' from the 'junk' first.
9
Ebay
the rampage hulk
Please see the Related Link for a price guide.
What catalog do you recommend as a price guide for old foreign stamp prices?
See the related link below for a price guide to US coins. It doesn't point out the rare coins but you can pick these out yourself. Obviously rare coins are worth much more. Coins with a much higher value than others in that category are probably rare or semi-rare.
One can find a coin price for old Argentinian pesos at your local Cash4Gold store. A dedicated agent will be happy to buy your coins in exchange for cash.
Definately Ebay. I can't stress this enough ... do your homework pertaining to your coins. Some coins are far more valuable than you may think because of rarity or a mint mark you may have missed.
There is no patron saint of old coins.
If you want free coins, you are going to have to earn them yourselves! You can not go off trying to cheat, Club Penguin is supposed to be fun. Although when you cheat you ruin it!Earn them yourselves!