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Bill Armstrong, Blue Square #4022, 2024
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Bill Armstrong, Blue Sphere #433, 2002
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Bill Armstrong, Blue Sphere #437, 2002
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Bill Armstrong, Blue Sphere #423, 2002
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Bill Armstrong, Film Noir #1405, 2011
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Bill Armstrong, Figure #65, 1998 - 2004
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Bill Armstrong, Blue Square #4020, 2024
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Bill Armstrong, Mandala #4051, 2009
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Bill Armstrong, Mandala #4050, 2024
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Bill Armstrong, Mandala #4007, 2016
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Bill Armstrong, Renaissance # 1031, 2006-07
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Bill Armstrong, Mandala #450, 2003