Stack's Bowers & Ponterio
Collector's Choice February 2022 Auction 22-24 Feb 2022
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An excellent grouping of quality errors that includes a pair of off planchet strikings and a RARE straight clip, which occurs when a planchet is mistakenly punched out too close to the side of the strip.
1) Mint Error -- Struck on a Peso Planchet, 1976-Mo. MS-64. cf. KM-477.1.
2) Mint Error -- Struck on a Peso Planchet, 1977-Mo. AU-58. cf. KM-477.1.
3) Mint Error -- Struck Off-Center with a Straight Clip, 1978-Mo. MS-64. KM-477.2.