The Classical period of American Silver was roughly from 1775 - 1810. This style was a calmer approach to silver than the previous exuberrant style of Rococco. American silversmiths borrowed from the Robert Adam (Adam style) of restrained rational simplicity with proper symmetry and proportion.
From 1810 - 1840 American silversmiths created a progression of neo-Classic shapes. The forms tended to be bigger and the silver was much heavier. Probably the greatest contribution was the beautifully sculpted cast decorations used as finials, handles and carytids.
The neoclassic revival of the 1870's - 1890's is shown in other exhibits.
The scan simply does not show the detail and beauty of this finely cast finial of a roman warrior with a plumed helmet and flowered sides.
I am reasonably convinced that this fork is from the 1830-1850 time period. It is extremely heavy and the metal quality is not marked (probably coin 90%) . I believe that the marks are from the Henry Andrews company of Boston, Mass.
This spoon exhibits classic elements. A very fine stem shaped like a Greek column. The finial is shaped into a classic style and the deep bowl is chased with a flowing design. I have tentatively assigned this spoon to the Philadelphia firm of Isaac Reed & Son (1830-1850) although the mark on this spoon differs somewhat from the mark shown in my books. The purity of the metal is not marked, but is probably "coin" quality