The Acanthus Leaf Engraving: 
The deep, flowing scrollwork that covers the steel guard and the center of the blade is a classic pattern known as the acanthus leaf. This design has been used in art and architecture since the time of ancient Greece and Rome. It is a timeless symbol of longevity, quality, and high artistic achievement.

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This piece is distinguished as the largest dagger ever made by Frank Henry. It was created in Whitefish, Montana, during a period considered to be the height of his artistic skill. The dagger is noted for a level of fit and finish that is as fine as any knife he ever produced, showcasing the consistent excellence that defines his entire body of work.

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While specific materials are not documented in the provided text, his work from this era often featured fine tool steels, precious metals like gold, and natural handle materials such as antique ivory or buffalo horn.