The Titian Ware Series was produced by Wm Adams & Sons who were business ca1900 - 1940 in Staffordshire, UK.
Your pattern was first registered in 1900-1909 (R 459174).
My research and calculations indicate that your hand painted set has a retail vintage asking price of $2260-2360 assuming good condition.
A private seller to a dealer or at auction can expect 30-60% of retail value.
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