Porcelain punch bowl on stand sets with cups from Limoges, France sell for $2500 - $5000 on today's retail marker.
C.A. stands for C. Ahrenfeldt and your set likely dates to circa 1905. The initials, E.A.S. if painted on by hand, would be for the person who decorated the set. Those initials are usually not able to be traced.
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