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The jacket is a replica of the regalia gifted to British army Capt. Henry Dunn O'Halloran by the Mi'kmaq in the 1840s, and was created by his late ancestor.

But he lost it somewhere in the Pierre Elliott Trudeau International Airport in Montreal sometime on Nov. 10, and has not been able to track it down.

"It's a treasure. It's a very personal, ceremonial item for me as a hereditary chief," he said, saying he filled out a lost item form for the airport where he valued it as $5,000.

"I will cry when I receive it back … I have not been myself ever since I lost it."

Augustine said the loss of his jacket feels akin to losing a family member, as the jacket features his family's traditional designs but is also integral to him as a ceremonial item.

He is asking for the public to help locate his missing jacket, asking anyone who may know of its whereabouts to come forward so it can return to where it belongs.

It was placed in a black, vinyl suit bag, and he remembers taking it through customs to enter Canada. He believes it was left somewhere in the Montreal airport.

He flew into the Montreal airport from Munich, on his journey home from Spain after attending the launch of a replica whaling ship that belonged to the Basque, which sank at Red Bay in Labrador in 1565.

The replica, a collaboration between Spain and Canada, was built using similar techniques to the original, and is expected to sail to this country in the coming years.

The San Juan shipwreck was missing for centuries until it was found in the late 1970s in ºÃÉ«tv waters.

The irony of losing his jacket on his way home from that ceremony isn't lost on Augustine.

"Although it's a replica like the Basque ship there — the San Juan — it's still valuable to me," Augustine said.

"I just hope it gets found."

This report by ºÃÉ«tvwas first published Nov. 16, 2025.