A British 1932 silver Maundy Twopence (George V), 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 £10 GBP.
A reputable coin dealer will be able to give a more accurate valuation.
One question at a time please. I presume you refer to British Shillings. These coins already have a valuation using the format - "What is the value of a 1932 British Shilling?"
20 KON 1932
Modified coins have no value as a collectible. Any value would be associated with the necklace.
British Records Association was created in 1932.
British Air Transport was created in 1932.
British Amphibious Airlines was created in 1932.
British Trust for Ornithology was created in 1932.
No such thing. There were no dimes minted in 1932 or '33.
1932.
John Grant - British politician - was born in 1932.
John Archer - British politician - died in 1932.
British Institute for the Study of Iraq was created in 1932.