Please check your coin again and post a new, separate question with its denomination.
Threepence GBP in 1888 had the purchasing power of about £0.93 GBP today.Threepence GBP in 1888 had the purchasing power of about $1.34 USD today.NOTE - This historical conversion is the result of...
There were no contact lenses in 1888.
The actual amount of gold in this coin is .04837oz of pure gold that give it the intrinsic value of $59.00 as of today.
it depends if it is in good condition it may be worth $35-$450