The 230-year-old mystery of Oak Island has taken a medieval turn, as scientific analysis of two lead artifacts provides the most compelling evidence to date of a trans-Atlantic voyage by the Knights Templar.

For generations, the “Money Pit”—an expertly engineered shaft featuring oak platforms every ten feet and a sophisticated stone-lined flood tunnel—has defied recovery efforts. However, brothers Rick and Marty Lagina, alongside a team of researchers and archaeologists, are now looking toward the 14th century for the “who” and “why” behind the island’s subterranean secrets.

The “Medieval Cross” and the Skowronek Analysis

The investigation gained significant momentum following the 2017 discovery of a small, uniquely shaped lead cross at Smith’s Cove by metal detection expert Gary Drayton. While the artifact’s age was initially a matter of speculation, German chemist Tobias Skowronek has provided the technical validation the team sought.

Using lead isotope data, Skowronek compared the cross to known medieval mining deposits across Europe. The results were staggering: the metallurgical signature is a near-perfect match for the South of France, specifically dating to a period before the 15th century.

“That cross is associated with the Templar influence region in France,” noted Rick Lagina. “It certainly fits the time of the Templars—the 1300s or 1400s.”

A “Friend” Found on Lot 5

The theory of a Templar presence was further bolstered in 2022 when Drayton and team member Jack Begley uncovered a lead “token” or disc on the western side of the island (Lot 5).

Laboratory ablation and isotopic testing by researcher Dr. Christa Brouseau and the Oak Island team revealed that the lead in the disc is “virtually identical” to that of the lead cross. This finding suggests both items originated from the same batch of ore or the same specific French mine, linking two separate areas of the island to a singular medieval source.

The Flight of the Warrior Monks

The Knights Templar, a wealthy and powerful order of Christian warrior monks, were famously suppressed on Friday the 13th, 1307, by King Philip IV of France and Pope Clement V. Facing execution and the seizure of their vast banking system, legend has long held that Templar ships escaped the port of La Rochelle, allegedly carrying sacred treasures to the “New World.”

While historians have traditionally viewed these claims with skepticism, the physical evidence on Oak Island is making the “outlandish” feel increasingly plausible.

Closing the Gap

For Marty Lagina, the transition from skeptic to believer is rooted in the data. “You can’t say that theory seems ridiculous and then ignore evidence that it could actually be real,” he remarked.

The discovery of these “French friends”—the cross and the token—represents more than just a pair of artifacts. For the Oak Island team, they are markers of a sophisticated 14th-century operation that predates the official European discovery of North America by over a century. If the Templars truly did put an “X” on the ground at Oak Island, the team believes they are now closer than ever to uncovering the treasure vault that has elied searchers for over two centuries.