are these old coins worth any thing?

Even if the Morgan Silver Dollars, Kennedy Halves, and Ben Franklin Halves are common dates – not rare or particularly interesting to coin collectors – they still have substantial silver value. All Morgan Dollars and Franklin Halves contain 90% silver. 1964 Kennedy Halves contain 90% silver, and 1965-1970 Halves contain 40% silver.

You can find the silver value of your coins at this website:

Generally, US 90% silver coins sold on eBay realize around 90-100% of the values listed on that website, less shipping fees and eBay/PayPal fees involved in selling these coins.

I don’t recognize the Britannia coin from the description. If, however, it looks exactly like or similar to one of these coins, then it may be one of the 1 Troy oz. bullion coins from the UK, with various designs featuring the Lady Britannia:

These coins are both valuable for their silver content and to collectors, as they have relatively low mintages. They usually sell for $20 and up on eBay.

Finally, you can check if any of the Morgan Dollars might be a scarcer date (or date and mintmark) using this price guide: