"Antonio Pineda" sterling silver and onyx drop earrings,this is fine example of Antonio Pineda sterling silver jewelry" this pair of handmade earrings measure 1 and three quarters inches long by 1 inch wide. Hallmarked under screw back with the Antonio Pineda Taxco Mexico silversmith mark. C1947 to 1950. Antonio Pineda was born in 1919,a Taxquenian whose family had been part of the community for generations.. Please see "Mexican Silver" by Penny Chittim Morrill and Carole A. Beck page 142 for more information on Antonio Pineda and other examples of his most famous work.