Pickard was a decorating studio in Chicago from 1890 to 1935, so the pieces you have are all by different makers, but were all hand decorated at the Pickard Studios. The values would be a s follows;
Starburst Hand painted Dinner $20 to $100 and Salad plate $20 to $35.
Hand Painted Platinum Baroque dinner plate $20 to $125 .
Hand Painted Camelot dinner plate $20 to $125.
Venetian Dinner Plate $20 to $125
Athena accent salad plate $20 to $35.00.
Huntington accent salad plate $20 to $35.00.
The worth depends on the quality of the decoration on each, so it would be your opinion on placing the value within the ranges that I have given on average selling prices from low to high quality painted pieces by Pickard.
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Most would be on the lower end of that range because 'fancy china' is less desired these days.
I didn't see that one included in the original request, but I will gladly add it.
Natasha Pickard dinner plate would have a value/worth of $20 -$35.00.
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