On the blade the gilded engravings from the Cypher of Carl Duke of Brunswick and Lùneburg (1735-1780) and the Leaping Horse of Brunswick and also the Motto NUNQUAM RETRORSUM (Never Retread).
Provenance the Royal House of Hanover, sold by Sotheby's in 2005 at Schloss Marienburg.
The same Spontoon is in the book Swords and Blades of the American Revolution., item 120 PA.
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