A British 1967 silver Maundy Twopence (QE II), uncirculated and in absolute mint condition could fetch up to £12 GBP.
A reputable coin dealer will be able to give a more accurate valuation.
All 1967 general circulation British Pennies were made from bronze. If you have a silver Penny, it will be because somebody has plated it. Alternatively, the British Maundy Penny is a very much smaller coin than the traditional Penny and is made from sterling silver.
The last British general circulation Florin was minted in 1967.
Probably nothing. Modified coins have no collector value.
The last British Florin minted for general circulation was minted in 1967.
All British general circulation Pennies are bronze. The only Penny that would be silver would be the Penny from the Maundy set and it would be substantially differerent in appearance and size from a general circulation bronze Penny. If the Maundy Penny is still in its original set of four coins, it might be fetch up to £95 GBP. If it no longer a part of the Maundy set but still in mint condition, it might be fetch up to £18 GBP. A reputable coin dealer will be able to advise and give a more accurate valuation.
Such a coin does not exist. The British Halfcrown was last minted for circulation in 1967 and was withdrawn and demonetised in 1970.
A particularly nice one might sell for a dollar.
The last British Halfcrown was issued in 1967 prior to decimalisation.
The first British Penny was introduced sometime between 757 and 780 AD by King Offa of Mercia and they were made from gold. The gold Penny does not seem to have lasted very long before being replaced by a silver equivalent by 796 AD.
Such a coin does not exist. The last British Halfcrown coin minted for circulation was minted in 1967. The last British Halfcrown Proof coin was minted in 1970.
There were 654,564,000 British 1967 Pennies minted.
The last general circulation British Halfcrown coin was minted in 1967. The Halfcrown was subsequently withdrawn from circulation and demonetised on 1-Jan-1970.