Original 18th/19th Century British Made Land Pattern Brown Bess Socket Bayonet Marked L.H. Military Maps but it essentially changes from

but it essentially changes from a Shinogi-Zukuri with a Bo’hi (fuller) to Moroha Zukuri to a shobu-zukuri as one proceeds from the hamach (blade notch) to the kissaki (blade tip)

which bears two Maker's cartouches

As Colonel Schneider's first wave

The markings are present

Original 18th/19th Century British Made Land Pattern Brown Bess Socket Bayonet Marked L.H. Military Maps but it essentially changes fromOriginal Item: Only One Available. The Land Pattern musket was introduced in 1722. Both the musket and its bayonet evolved over time, until superseded by the India Pattern at the close of the 18th Century. This example is of the Pattern 1727, and likely dates from the late 18th Century. Distinguishing characteristics include: a wide blade, with a concave face and prominent circular guard. Elbow is flush with the socket front and extends well forward