Graphic Art - Not an Actual Scanned Image

Obverse Design Lettering incused. Top line "McC. M.C." Second line "CO." Next line in a larger font: "3.10"" (ends in a quote mark). Last line "PANAMA".
Reverse Design Blank.
Metal Brass Size and Shape Rectangle 27 mm wide by 40 mm high. Oval hole or slot at the top.
Dates Issued Unknown. The Canal construction was from 1904 through 1914.
Issurer McClintic-Marshall Construction Company, a supplier of steel, based in Pittsburg, Pennsylvannia.
Numbers Issued Pieces known to be in collector hands include #520, 3.10" and #3402.
Rarity Rare. Manufacturer Unknown. Other Catalog Numbers Rulau's CZ 63, Asociación Numismático's ID-21.
Varieties None known.
Function The function of this piece is unknown. The number might mean 3 feet 10 inches in which case this could have been a metal tag used to label a measured object. Other specimens just have a number.
Population Count Three specimens of this metal check in collector hands are known to me. Recent sales include:
  • Check # 520 - Auction sale on ebay on July 19, 2004 for $105.53.