Twenty five cents each. Silver-plating adds no value.
All of the quarters struck for circulation from 1965 to date, have NO silver and are just quarters.
No US quarters dated 1966 are silver. The only US quarters struck in silver are dated 1964 or before with the exception of silver proof sets (most proof sets are -not- silver and silver proof sets are marked as silver) but those are dated from 1992-present.
All quarters dated 1965 and later are made of a "sandwich" of copper and nickel.
All of the quarters struck for circulation from 1965 to date are just quarters.
U.S. dimes minted in 1966 contain no silver, and are worth 10 cents.
Its worth about $5 in scrap silver. It is 40% silver and only worth scrap silver.
1966 Canadian quarter is 80% silver and approximately has .1501 Troy oz of silver. So it depends what silver spot is. With silver at $48/oz it's worth $7.20
The 1966 Kennedy half dollar is 40% silver and worth about $5.00.
At the end of 2017, it's worth about $2.50 for the silver.
Australian 2 cent coins were made from bronze. If you have silver 2 cent coins it would be because somebody plated them. They are no longer in circulation, but unless they are part of a proof set, they are worth 2 cents.
No. U.S. quarters minted in 1965 and later are mostly copper with nickel coating.
Quarters made since 1965 are copper-nickel, not silver, and are only worth 25¢ Philadelphia quarters minted before 1980 do not have mint marks, and the use of mint marks was suspended on all coins dated 1965-67 due to the great coin shortage of the 1960s.