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   Brt-1617.
  Wt = 11.29g. Diam = 24.3-25.0mm  | 
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   Stevens Collection  | 
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   Photo
  from Baldwin, September 2006  | 
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   Photo
  from Hemanth Chopra, February 2011  | 
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   Wt
  = 11.48g. Diam = ~22mm  | 
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   Photo from Craig Fernandez, June 2022  | 
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   Wt
  = 11.33g  | 
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   Photo from Noonan 8th Feb ’23 (Puddester),
  lot 625  | 
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