Hi my name is***** you for coming to Just Answer. . I will be glad to help you today. . I have been in the antique business for over 45 years, Appraising, Antique shop owner, also buying and selling on today's current market. it is my pleasure to put my experience to work for you. .
Is this cabinet marked? If not then there is no way to know where it came from. It can be valued for what it is, age, condition etc. But, there is no way to know what it was used for or where it came from.
There would be no way to know that without this being marked. I can value it but, cannot say it is from a prison.