Vintage Sterling Malachite Turtle Brooch Old Silver Mexico Mark

Offered is a charming vintage sterling malachite turtle brooch.  The pin features a fanciful decorative shell, with a stylized green stone body.  It measures approximately 1 1/2″ x 1 1/4″across the top surface.  The head is about 1/4″ high.  It is marked on the reverse side with the old Silver Mexico hallmark, but has been tested to confirm metal content.  This older jewelry piece has no condition issues.