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The first is a 1745 sixpence or shilling, depending upon diameter, of George II. It was minted using silver plundered from the French just off the coast at Lima, Peru, hence the Lima under his bust. Here's a link to a similar one that has been sold.
The second is a Queen Victoria Diamond Jubilee Medallion from 1897. Again, its value depends on size. Here's a link to a similar one that has been sold.