Antique 18th Century American Revolutionary War Gun Powder Horn

Antique 18th century America Revolutionary War period gun powder horn, ca. 1770: made of a hollowed-out cow horn, with oval wood base secured with wrought-iron nails and fitted on the center with an iron loop for suspension cord. carved and tapered, turned pouring-spout retaining its original wooden spout-plug with iron loop connected to the horn by an original cord.
CONDITION: In its original unattached condition with a superb mellow old patina.
MEASUREMENTS:
The overall length including spout-plug is approximately: 25 cm (9.84 inches).
REFERENCES: For similar examples, please see
1)" Weapons of the American Revolution and accoutrements" by Warner Moore.
2) "Collector's Illustrated Encyclopedia of the American Revolution" by George C. Neumann.