Beautiful Gallo-roman Bronze System Key, 7.5cm 3-4th Century

Pretty Roman key, bronze, fine quality, thick round ringtopped by a grooved square, which must have been used to unlock a secret, base console, 6-sided drilled shank, small-toothed bit with open sockets.
Very good condition, nice patina.
7.5cm x 2.5cm weight: 37gr.
I found 2 or 3 keys of this model in documentation, it's quite rare.
Our photo doc: J.J Brunner: les clés, Vilo, p50.
For immediate purchase, payable by credit card or paypal.
- eclectic - We're not experts, but we've been in the business for 50+years.
Fuss-free refund in case of disappointment.
Siret: FR 24.430113233. Invoice and Certificate enclosed with eachof our shipments