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 the silver threepenny piece go out of circulation?" whose answer is 1970.
Each document should contain about 30 words, and these documents should contain useful information.

Query: when did the silver threepenny piece go out of circulation
Useful Output:

Doc 1: “Decimal Day” on the 15th February 1971 brought about the end of pounds, shillings and pence that had been used for over a thousand years, and
Doc 2: Circulation issues ceased after 1944, the last couple of versions having a different reverse from Maundy coins. Mention must be made that Maundy
Doc 3: The Victoria Old Head Silver Threepence, minted between 1893 and 1901, represents the final phase of Queen Victoria's long reign.
Doc 4: It proved to be a very popular denomination and stayed in circulation right up to WW2 – when silver coinage production stopped completely in the
Doc 5: Silver threepences continued to be issued until 1944, although from 1942 they were only issued for colonial use, and the last three dates are