A British 1964 cupro-nickel Sixpence (Elizabeth II), uncirculated and in absolute mint condition could fetch up to £1.50 GBP. If it has been circulated, not much.
The values quoted are the best possible for the best specimens in their grades, but may be significantly lower due to varying demand for the coin and the prevailing economic climate. A reputable coin dealer will be able to give a more accurate valuation based on inspection of the coin.
The Sixpence was not introduced into the currency until about 1550.
value of 3 consecutive 6d postal orders issued in Hunningham, warwickshire october2 1966
Probably nothing. Modified coins have no collector value.
Sixpence GBP in 1966 had the purchasing power of about £0.31 GBP today.
A Sixpence was a small predecimal British coin. Half a Sixpence was a Threepence, an even smaller predecimal British coin.
All British 1935 Sixpences were minted at the Royal Mint London. There are no "D" Sixpences.
The British Sixpence was known as a "Tanner". The Australian Sixpence was known as a "Zack".
A British 1700 Sixpence, circulated but still in good condition, might fetch anything up to £1,350 GBP. A reputable coin dealer will be able to give a more accurate valuation.
A Halfcrown is the eqivalent of Two Shillings and Sixpence. A Crown was Five Shillings.
The Royal Mint did not produce any Sixpences from 1752 to 1756 inclusive.
Good luck if you have one, but the last British Sixpence was minted in 1967.
GRI (not "GRJ") on the reverse of the 1937 to 1946 British Sixpence is an abbreviation for George Rex Imperator.