Generally, YES! It depends on which fair they are from, how old they are, and what condition they are in -- could be less than a dollar or hundreds of dollars. Check out http://www.exonumia.com or http:/www.ebay.com to see if you can find a matching item and see what it sells for.
Modified coins have no value as a collectible. Any value would be associated with the ring.
Five dollars..
Modified coins have no collector value. Any value would be associated with the ring.
If you refer to the collector value of 1954 Australian coins, not much. Any value would be dependent on the condition of the coins.
None of the gold colored dollar coins made from 2000 to date have any gold in them. Only a few error coins and collectors coins have more than face value.
Modified coins have no collector value. Any value would be associated with the necklace.
Modified coins have no collector value. Any value would be associated with the ring.
No, cleaning any coin kills the collectible value of it.
At minimum, they're worth the value of the silver.
Any value would depend on whether they are Mint Uncirculated, Proof, Year Sets, or circulation coins and what condition they might be in.
Modified coins have no value. Any value it might have would be as a piece of jewellery.
Not really, except for the melt value of whatever metals they contain.