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Part 1 of a mostly cobalt blue lifetime collection of R.S. Prussia will be auctioned May 26th - Artwire Press Release from ArtfixDaily.com
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R S Prussia & More Schlegelmilch Porcelain Featuring Cobalt: McCaslin, Mary J.: 9781574324778: Amazon.com: Books
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Collector's Encyclopedia of R.S. Prussia: Fourth Series: Gaston, Mary Frank: 9780891456094: Amazon.com: Books
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Bargain John's Antiques | Antique RS Prussia Marked Four Seasons Bowl with Roses in the Center - Bargain John's Antiques
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