COUNTERMARK n. 3 definitions
A mark or token added to those already existing, in order to afford security or proof; as, an additional or special mark put upon a package of goods belonging to several persons, that it may not be opened except in the presence of all; a mark added to that of an artificer of gold or silver work by the Goldsmiths' Compa…
LANDMARK n. 2 definitions
A mark to designate the boundary of land; any , mark or fixed object (as a marked tree, a stone, a ditch, or a heap of stones) by which the limits of a farm, a town, or other portion of territory may be known and preserved.