There are many online guides. One that I've found to be very good is at the Related Link below.
Numismedia is a website that offers a US coins price guide. The site is completely free.
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.
No on-line or published price guide for US coins have values for replicas or copy's because they have no value.
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.
eBay
There are too many coins to give values for. See the link below for an online price guide.
There are many places one might go to find a coin price guide. The World Coin Price Guide website is likely the best resource for one researching Austrian coins.
Yes, there are several free online resources where you can access price guides for old coins. Websites such as Numista, CoinTrackers, and PCGS offer information on coin values that can help you determine the worth of your collection. Remember to cross-reference prices from multiple sources for an accurate estimate.
This range of dates, combined with mintmarks covers 51 different Morgan dollars. The best thing to do is get a copy of "Red Book" a guide book of US coins, or find one of the many on-line price guides.
The best thing to do is get a copy of "Red Book" a Guide of US coins, it has values for all US one cent coins.
Australian Kookaburra coins have been sold from 1990 to 2005 both singly and in set of various quality and numbers of coins. You would need to specify the year, the weight, the face value and any specific detail like the printing on the coin or the theme of the coin. The "Pocket Guide to Australian Coins and Banknotes" (latest edition) by Greg McDonald would be a good place to start.
You can visit CoinBrag.com which is a free online coin database and price guide with thousands of coins listed. You can add pictures of your own coins which in turn helps more users wanting to identify coins of the world.