"The Three brothers"
The Three Brothers are three stone cairns that mark the sheltered water route off the west coast of Greenland. For several hundred years the cairns have been an important landmark for navigators.
(thanks to Pat Clay for the information)
LINK: Denmark National Bank
SPECIFICATIONS
Composition: Aluminium Bronze, 92%Cu6%Al2%Ni
Diameter: 27.00 mm
Thickness: 2.35 mm
Weight: 9.30 g
Edge: rim with interrupted milling
Designer: Niels Motzfeldt