Each blank is one-of-a-kind.   
Raw brass flat blank to create your own metal set jewelry. 
Patina is on both sides of the blank.
Metal - raw brass
Size - 18x8 mm 
Quantity - min 20 earring semi-circle artisan charms/connectors with 1 hole.
The colors of the patina are natural, all processes no harsh chemicals are used.  
The brass/copper sheet is covered by a thin layer of lacquer to save the patina's natural color.