Anthus Firefighter This is the original geocoin put out by Anthus, a geocaching family from Pennsylvannia. I obtained this through a trade a few years after it was issued, and it was a difficult one to track down. Size: 38 mmWeight: 21.9 g on Monday, 21 June 2010. Posted in ALL Animals, GEOCOINS, Personal, Trackable, Mammals, Dogs < Prev Next > Related Geocoins Anthus DecoderAnthus Decoder (Copper)Anthus Decoder v1.5Anthus Secret geoAgentAnthus Secret geoAgent LEAnthus Laptop LE (Blue)Anthus Laptop LE (Red)