Maritime object - A. Helders & Zn. Rotterdam - Brass

Authentic Antique Brass Porthole with a historic Rotterdam factory stamp

Inscription on the Porthole: A. Helders & Zn. Rotterdam (A. Helders & Sons).
The company A. Helders & Zonen was a well-known Rotterdam iron trader and supplier of, among other things, metal goods and tools for shipbuilding or the maritime sector, with a history dating back to the 19th century and a headquarters/warehouse, among others, on Hoogstraat and later Coolhaven.

In good antique/vintage condition
Diameter: 38 cm