Bracelet brass blank, etched cuff bracelet, Key steampunk pattern
Metal - raw brass
Gauge -  26-25 gauge  (0.4 mm) 
Size -    approx. 3.7"x1.9"   (9.5 x 5 cm), flat oxidized blank 
 
The brass sheet with an etched pattern, oxidized, covered by a thin layer of lacquer.
0.6-0.8 mm plate can undergo any mechanical treatment. Soldering can affect the oxidizing pattern but can be restored afterward. The sheet of this gauge is perfect for creating a jewelry set (pendant, ring, earrings, etc.) or can be used for creating decorative elements for accessories like purses, shoes, buttons, belts, picture frames, and many others.
Please let me know if you need a different measurement and gauge of the sheet.