Errors
1977-D $1 Eisenhower Dollar -- Struck on a 40% Silver Planchet -- MS63 NGC. Breen-5774. 24.9 gm. A clad Ike should weigh 22.7 gm. Walter Breen states in his 1988 Encyclopedia that about 15 pieces are known. Struck on planchets intended for 40% silver San Francisco Bicentennial Ike dollars. A lustrous and nicely struck mint error with peripheral straw-gold toning and a few minor obverse field grazes.
Ex: New York Signature (Heritage, 2/2014), lot 5287, which realized $12,925.
From The Mile High Collection.