Massachusetts Treasure Hunting Association
I will respect private property and do no treasure hunting without the owners permission.
I will appreciate and protect our heritage of natural resources, wildlife, and private property.
I will use thoughtfulness, consideration, and courtesy at all times.
I will build fires in designated or safe places only.
I will fill all excavations.
I will leave gates as found.
I will remove and properly dispose of any trash that i find.
I will not litter.
I will not destroy property, buildings, or what is left of  deserted structures.
I will not tamper with signs, structural facilities, or equipment.
Coins
L6 = Any silver coin prior to 1700, Flowing Hair silver coin (1794-95), Draped Bust silver (1796-1807), Chain or Wreath cent (1793), any US/foreign gold coin before 1900.
L5 = Any copper coin prior to 1700, any US/foreign gold coin 1900 or later, Liberty Cap cent (1794-95), Caped Bust silver, Seated Liberty quarter/half/dollar, state copper (1785-88), spanish 4-8 Reales, Hibernia/Rosa Americana copper (1722-24), 20-Cent piece (1875), pre-1900 key date.
L4 = Seated Liberty dime/half dime, Morgan/Peace dollar, spanish 1/2-2Reales,  Pre-1900 spill of 4 or more coins, colonial British copper (George I, II, III), silver 3-Cent piece, pre-1900 foreign (including Canada) silver, Barber half, 1900-date key date coin.
L3 = Barber dime/quarter, two cent piece, Shield & V nickel, nickel 3-Cent piece, Flying Eagle cent, 1900-date foreign silve coin.
L2 = Indian Head cent, Standing Liberty quarter, 1916-date Half dollar, Eisenhower/Anthony dollar, 1900-date foreign non-silver coin.
L1 = Wheat Cent, Buffalo nickel, 1916-64 silver dime, 1932-64 silver quarter.
      NOTE: For Pre-1900 coins, add one "L" point for exceptional condition
Jewelry
L5 = Gold or Platinum w/precious stone.
L4 = Gold or Platinum w/semi-precious precious stone, antique (pre-1900) jewelry (hat pin, locket,cufflink, ect. w/floral or otherwise ornate design).
L3 = Gold or Platinum w/o precious stone (ring, watch, bracelet, necklace, charm, ect.), valuble ring in club library book.
L2 = Sterling silver, Gold plated jewelry, Religous medals.
L1 = Costume jewelry, or any jewelry 1900-date of non-precious metal.
Relics
L6 = Any contact period (c. 1500-1650) item, French & Indian War, American Revolution.
L5 = Any colonial era (1650-1792) artifact, military item pre-Civil War (including cannon balls), pre-1850 items as follows: "Hard Times tolkens; merchants' store cards (approx. size of large cent); toys; large (1 1/2 inch diameter) frock buttons or buttons listed in A. Adelphus' button book; iron/steel relics (horse shoes, weapons, farm implements, ect.); musket balls of .75 caliber or greater; 3+ ring bullets; gun flints; arrow heads; clay pipes; crotal bells (cow/sleigh); bale seals; buckles; silver (coin grade or higher) spoons.
L4 = Civil War relics, other 1850-90 era relics such as: musket gun furnature; bullets; mouth harps; suspender buckels; marbles; railroad items; thimbles.
L3 = 1891-1920 era items such as: tokens; locks; military knives; musket balls; political medals/buttons; bottles; marbles; dog tags; dated items (such as good luck charms).
L2 = 1921-1950 era items such as described above.
L1 = 1951-date items such as described above.