Antique 4 oz. Balance Scale Cast Iron Pan Weight.  Used on mercantile balance scales.  Stackable.  Measures 1 3/4" diameter at base; 1 7/16" at top; 1/4" tall.  Weight shows wear from age/elements.  

Examine photos carefully.  Comes from a smoke and pet-free home. (Measuring ruler used for guidance only and not included in sale).  Item ships protectively wrapped.