"the prices of all trade goods were set in values of Made Beaver (MB) with other animal pelts, such as squirrel, otter and moose quoted in their MB (made beaver) equivalents. For example, two otter pelts might equal 1 MB". «Our History: Business: Fur Trade: Standard of Trade». HBC Heritage. Archivado desde el original el 16 de abril de 2016. Consultado el 17 de junio de 2014.
"the prices of all trade goods were set in values of Made Beaver (MB) with other animal pelts, such as squirrel, otter and moose quoted in their MB (made beaver) equivalents. For example, two otter pelts might equal 1 MB". «Our History: Business: Fur Trade: Standard of Trade». HBC Heritage. Archivado desde el original el 16 de abril de 2016. Consultado el 17 de junio de 2014.