One 1830 British Pound would have the purchasing power of about Sixty-seven British Pounds today.
£1. Do you mean how much is it worth in your local currency? If so, you'll need to state your country of residence. :-) Australia
500 British Pounds in 1886 had the purchasing power of about £36,290 GBP today.
6000 GBP in 1979 would be worth about 201666 GBP today
One KAGILLION MILLION TRILLION BILLION POUNDS. Quick sell yours. I jest. You are probably looing around ~£46