I am looking for the value of a Smith and Wesson 38 revolver, dated 1889, bone handle with heart shape on bottom of barrel
Need the serial number to answer.
Your smith and Wesson model 64-3 was made from 1977-1987.
10-1000 USD depending on specifics.
100-1000 USD or more depending on specifics
No such sn for a 38 spl
Seldom exceed 125 USD
Impossible to answer without the serial number.
Recommend you find a gunsmith or firearms instructor and ask for help.