This Sarah Coventry brooch is a vintage costume jewelry piece, popular in the 1970s.


 
 Design: It features a modernist and minimalist design, depicting a stylized seagull (or bird in flight). The model was marketed under the name "Mr. Seagull" or simply "Seagull".

 
 Material and finish: The brooch is made of base metal (often copper or brass) with a bright, polished silver finish (silver tone), without gemstones or rhinestones.

 
 Dimensions: It measures approximately 5.4 cm (2 1/8") in length by 5.1 cm (2") in width.

 
 Authentication: An original piece signed "Sarah Cov" on the back.