Stack's Bowers & Ponterio
April 2021 Hong Kong Auction 5-8 Apr 2021
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Although the lines across the eagle are traditionally called adjustment marks, they are more likely the result of defects in the rollers used to flatten the strips of silver prior to the planchets being punched. All known examples of this date show the 5/4, the result of an obverse hub recycled from the 1840's.
Estimate: $500.00- $700.00