Add a unique piece of American history to your collection with this antique cast iron seal embosser from the early 1900s, still in working condition. The label reads ?Berkeley Colo 1910s Corp?, and the seal produces a clear raised imprint. Constructed from heavy-duty cast iron, this durable device was used to authenticate official documents. Perfect for collectors, notaries, or vintage office display. ? Vintage Industrial Office Equipment ? Functioning Embossing Mechanism ? Embossed reads: BERKELEY COLORADO CORPORATION (see photo) ? Shows original wear consistent with age ? A standout decorative piece or functional collectible Industrial, Steampunk, Americana ? Character: Vintage Notary, Office Clerk, Steampunk Inventor