Large 16th Century , Massive Key Still Gothic, 17.3cm Spain?

We are buyers of key collections, and collectible keys
Large forged key, indestructible, thick beveled ring, cubic base with two faces engraved of a cross in a diamond, octagonal profile stem in baluster diameter: 16mm! ringed on bottom and ending in button. The rectangular bit with 4 open holes, half-round muzzle.
Key most likely Iberian, transition between the Gothic and Renaissance periods, in this innovative "design".
Key for a strong and serious lock.
17.3cm x 4cm.
Good condition, normal wear including 2 marked blows on right and left of ring, see photos…
This item is for immediate purchase, payable by credit card or paypal.
- eclectic - antique dealers since 1970, Siret: FR 24.430113233. Invoice and Certificate are attached to each of our shipments.