$500 from 2010 would be worth $11,700 in 1897.
In the condition that you describe(70%-80%) of its original finish remaining.I would access a value of between 400-500 dollars.
Close to 15,000 dollars
100 Peruvian Nuevo Sol are worth $36.24 U.S. dollars today.
$500
I would say about 500-600 dollars
That is unknown since we can not tell the future.
500 Dollars maybe
You can go to http://www.bls.gov/CPI/ to find their Inflation Calculator. $500 in 1956 is the equivalent of $3,811.43 in 2007.
Your winchester model 1897 shotgun which was made in the year 1905 should bring between 125-500 dollars,depending on the amount of original finish remaining and a good bore.
Using the rate of inflation, 500 GBP is now worth 18,150 GBP or $29,500 USD.
Between 400 - 500 dollars.
300-500 Dollars At Least