Columbia subject headings:
Collas, Achille, 1795-1859.
Engraving--19th century.
Engraving--Printing--History--19th century.
Medals.
Numismatics.
Harvard subject headings:
Collas, Achille, 1795-1859.
Engraving--19th century.
Engraving--Printing--History--19th century.
Medals.
Numismatics
Princeton subject headings:
Bate, John, instrument maker.
Bate, R. B. (Robert Brettell)
Collas, Achille, 1795-1859.
Engraving machines--History--19th century.
Engraving--Printing--History--19th century.
Medals.
Nolte, Vincent, 1779-1856.
Portrait medallions.