In 1652, John Hull began striking silver coins bearing an image of a pine tree on the obverse and the date and denomination on the reverse. This design followed Hull's "Oak Tree" design.
Massachusetts "Pine Tree" Small Planchet Shillings include the following die varieties: Noe 12 - All of this variety are counterfeits - 1 known per Breen Noe 13 - Authenticity questioned by Breen Noe 14 Noe 15 Noe 16 Noe 17 - Very Scare Noe 18 - 5 known Noe 19 - Rare Noe 20 - Extremely Rare Noe 21 - 3-4 known per Breen Noe 22 - 5-6 known per Breen Noe 23 Noe 24 - 4-5 known per Breen Noe 25 - Rare Noe 26 - Very Rare Noe 27 - 3 known per Breen Noe 28 Noe 29 Noe 30 Noe 31 - All of this variety are counterfeits - 1 known per Breen
Sources and/or recommended reading: Noe, S. P. (1943). The silver coinage of Massachusetts. New York, NY: American Numismatic Society.