How much in USD was Threepence in 1888?

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 many calculations and considerations by a purpose designed program for which I can take no credit. The resulting answer should only be regarded as an approximation.