M1881 U.S. Spiked Pith Helmet - Stone House Museum

Purchased from... The Stone House Museum in Windsor N.Y. (Comes with envelope and business card) 

Inspector mark / 1899 Dated / Personalized - "named" on inner label / Size - 24.50 Inches (around outer sweatband area) by Ridabock & Co New York 

(Some mothing and general repair have been done to the outer surface by The Stone House Museum)