A British 1940 50% silver Sixpence (George VI), uncirculated and in absolute mint condition could fetch up to £15 GBP. If it has been circulated but still in good condition, it might fetch anything up to £5 GBP.
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.
British 1948 and 1949 cupro-nickel Sixpences (George VI), uncirculated and in absolute mint condition could fetch up to £5 GBP. If they have 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.
Probably nothing. Modified coins have no collector value.
The Sixpence was not introduced into the currency until about 1550.
Modified coins have no collector value. Any value would be associated with the pendant.
Modified coins have no collector value.
Dating back to the settlement of New Zealand and prior to New Zealand issuing its own currency in 1933, the usual range of British coins and some Australian coins were circulating as legitimate currency in New Zealand. Pre-1933 British coins would have included the gold Sovereign and Half-Sovereign, the silver Crown, Halfcrown, Florin (Two Shillings), Shilling, Sixpence and Threepence, the bronze Penny, Halfpenny and Farthing. The Australian currency of the time was almost identical to the equivalent British coins and included the silver Florin (Two Shillings), Shilling, Sixpence and Threepence, the bronze Penny and Halfpenny.
The Royal Mint did not produce a 1783 Sixpence. Due to Britains ongoing expenses with various wars in the late 18th and early 19th centuries, there were very few silver or copper coins minted, subsequently there were a great many counterfeit coins produced. The counterfeit coins are collectible in their own right.
A British 1840 Sixpence, uncirculated and in absolute mint condition could fetch up to £225 GBP. If it has been circulated but still in good condition, it might fetch anything from £10 to £80 GBP.A reputable coin dealer will be able to give a more accurate valuation.NOTE - The reverse of these coins is upside down to the obverse. This is normal.
All British 1935 Sixpences were minted at the Royal Mint London. There are no "D" Sixpences.
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.
Please ask one question at a time. The answers to all of your queries are already answered on WA - Use the format - "What is the value of a 1952 British Sixpence?" Top value for an uncirculated coin might be as much as £6 GBP, but more likely £2 or £3 GBP. Circulated coins are unlikely to get much more than face value.