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Amazon.com: Stillman & Birn Delta Series Softcover Sketchbook, 8" x 10", 270 GSM (Extra Heavyweight), Ivory Paper, Cold Press Surface : Arts, Crafts & Sewing
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501351L Stillman & Birn Softcover Mixed Media Sketchbook, Landscape, 5 1/2 x 3 1/2", 52 Pages, Delta Series
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