Watch List notes:

WORLD COINS, UNITED STATES OF AMERICA, British Colonial, Massachusetts, Silver Pine Tree Sixpence, 1652, pine tree, a stop either side of the trunk, straight groundline, rev date over value, the die break in early stage, usual small flan, 2.21g (Noe 33). Very fine, toned, rare this nice.
from the David Sellwood Collection

Estimate: £1800-2200