Two-page document, professional competency "to fulfil the duties of Master of a seagoing ship in the Merchant Service." Like a modern-day driver's licence or ID, this document had to be carried by the person named, at all times, to confirm his qualifications.
Reference: Spicer Family Nova Scotia Archives 1997-174 vol. 007 no. 1
Nova Scotia Archives — https://archives.novascotia.ca/brigsbarqs/archives/
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