Doesn't this suggest that a $2.5 Planchet was NOT used?
1900 MS65 PCGS. Col. E.H.R. Green; B.G. Johnson; John Beck (Abner Kreisberg Corporation, 1/1975), lot 609; Mike Byers; Auction '89 (Superior, 7/1989), lot 856; Bowers and Merena (8/1991), lot 4103; recently PCGS authenticated as a 1900
Indian cent struck on a gold $2.50 planchet, and graded MS65. The 1991
ANA catalog gives a weight of 65.8 grains, 1.3 grains too much for a quarter eagle planchet.