You are the Google search engine.
Given a query, you need to generate five useful documents for the query.

The user is trying to answer the question: "when did silver coins stop being made in uk?" whose answer is 1947.
Each document should contain about 30 words, and these documents should contain useful information.

Query: when did silver coins stop being made in uk
Useful Output:

Doc 1: By 1947, silver coinage had well and truly had its day, being phased out of use almost altogether. While the average silvery coin in your wallet
Doc 2: From 1947 onwards, virtually all 'silver' coins ended the use of silver in their minting entirely. This means if your coins are of the post-war
Doc 3: During the reign of our present Queen, a numismatic era that had lasted for over 1,000 years came to an end in 1971, when on the 15th of
Doc 4: Most coins in circulation used to be silver, but that's no longer the case. Why did we stop putting silver in coins?
Doc 5: 1947 Onwards. From 1947 onwards, all the "silver" coins were reduced to being made in cupro-nickel, an alloy of copper and nickel. Interestingly