VTG Taxco Mexico Sterling 925 Onyx Cuff links AAB

Mid-century black Onyx sterling silver cuff links from Taxco Mexico circa 1950s with modern Aztec design & Crushed blue stone chips accent. Measure approx 7/8″ X 5/8′ X 1/8″ thick with some irregularity between the two in size as seen in photos, One is slightly smaller. One Cufflink has some chipping of onyx on corner. 1 marked with the silversmith's hallmark (AAB in a circle that says TAXCO 925 MEXICO) Eagle 3 mark. Swivels are Alpaca (not sterling) one is stiff but moves as intended