Antique 16th Century Swiss - German Halberd- Polearm Kriegsgertel with Beak

Large antique 16th century (1550-1600. A.D.) German or Swiss infantry, massive Fauchard- Guisarme (Kriegsgertel), Halberd- Polearm head, with a hand-forged iron blade with a spiked beak and a tapering tabular socket with visible distinct lamination.
The socket is pierced with the hole for the pin to be fastened to the wooden pole.
CONDITION: Shows the age and use, pitted. The edge of the blade is still very sharp.
MEASUREMENTS: Overall length, including socket: 37.5cm (14.76 inches)
REFERENCES:
1. A very similar Kriegsgertel from the collection of the Museum für Deutsche Geschichte was published in the book "Europäische Hieb-Und Stichwaffen" by Heinrich Müller und Hartmut Kölling, page 262. No 266.
Please see the last picture attached to the listing.
2. "MEDIEVAL COSTUME ARMOUR AND WEAPONS 1350-1450" by Eduard WAGNER. Plate 33. Part V.
 
Please also see a photo with the Kriegsgertel group composed of various references.
The buyer will be provided with copies of the pages from these references along with a certificate of authenticity.