I do not know much about this piece, so I am putting it out there for people who are experts in the jewelry world. I do know it is rare because I have been searching for information on this brooch.  This is an old brooch, so it does have wear from age and use.  It does have scratch marks from the movement of the hands, and it is in need of cleaning by someone who is a professional.  The pin is slightly bent but functional and usable. Overall, this brooch is in good condition. Please look at the photos for condition and features before you purchase. 

Add a timeless piece to your jewelry collection with this vintage Retro/ Art Deco brooch. Crafted from black plastic with intricate metal detailing, this brooch is designed in the shape of a clock, with hands that actually move. The brooch features an art theme with two geometrical shapes a triangle and a square, making it a unique addition to any outfit. This brooch is perfect for collectors or those who simply appreciate vintage pieces. Its country of origin and metal type are unknown, adding to its mystique. Whether you wear it on a lapel, scarf, or hat, this brooch is sure to turn heads and spark conversation.

If you have any questions, please message me through Ebay and I will be happy to answer them for you.
NOTE: This is a non-refundable purchase. What you see is what you will get. It will be up to the buyer to identify if it is worth anything and restore to its natural beauty. I am giving you as much information as I know and giving you as many pictures as I can to help make a decision. If you need more do not be afraid to ask.