Numismatic Bibliomania Society:
Eckfeldt-DuBois New Varieties 1850 gold sample
Numismatic Bibliomania Society:
Eckfeldt-DuBois New Varieties 1850 title page
Numismatic Bibliomania Society:
Eckfeldt-DuBois New Varieties 1850 california and mormon gold
Numismatic Bibliomania Society:
Eckfeldt-DuBois New Varieties 1850 table of contents
Numismatic Bibliomania Society:
Eckfeldt-DuBois New Varieties 1850 cover