Hello again, Michael,
Hold everything! Somehow I managed to read the back of the plate upside down.
You have a 19th century ironstone transferware plate by JH & Co, a Staffordshire, England potter.
If it is in perfect condition, the current retail (replacement or insurance) value of your soup plate is approximately $90. If you were to sell it, you could expect to get the fair market (private sale or auction) value of approximately 40% of the retail amount or $36, depending on location and actual condition.
I hope this answer has been helpful to you, Michael.
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