The micro WAS an Altoids tin with a log, 3 US quarters to start and a pencil. It WAS wrapped up in a large ziplock bag to protect from the elements. (Possibly replaced with a different container in 2016?) A local gentleman has agreed to provide the cache maintenance.
UPDATE: SEPT 2019: The cache is now a preform tube painted brown that looks old. The original cache appears to have gone bye-bye...but if you do find an Altoids tin, please note that in your log. Many thanks to Hipointer and Capiti and a group of 8 who provided the replacement cache, and kept this available for other "cruise cachers" to be able to log Greenland.