original 19th century american antique eastlake style "ekado" pattern ornamental cast brass antique doorknob designed and patented by the sargent hardware company, new haven, ct. the dome-shaped doorknob contains a distinctive field pattern consisting primarily of sporadically arranged floral motifs. age appropriate surface wear and patina. the banded rim doorknob likely dates to 1885-87. measures approximately 2 1/4 inches in diameter.