A shilling is a British monetary coin and is not in the Bible.
Yes the parable is from the bible.
About a jesus and a half
ten dollars
shekels was the currency used in biblical times
The 60 gold coin set of the Thomason Medallic Bible is valued at approximately $12,000 to $15,000. This set contains miniature replicas of historical medals depicting scenes from the Old and New Testaments.
A mite would roughly be a days earning in those days.
It really depends on the type. If you found it in change, or outside of a Royal Mint set or packaging, it is only worth face value. On the other hand, proof coins and silver/gold editions of the 2 pound coin are naturally worth more than face value. But most likely your coin is just worth 2 pounds, or about $3 USD.
It was not a button it was a "mite" (a small coin) - the "widows mite". Mark 12:41-44 Luke 21:1-4
Jesus taught the people to pay their taxes, the story of peter taking a coin from the fishes mouth, to pay tax to the Romans is mentioned in the bible.
The Bible does not say her name because it is not important. I think that the writer wanted people to focus on the meaning of the parable instead of the tiny details that do not matter to God and Jesus.
You can buy them at coin dealers and coin shows.