529: American Derringer Model Lady Derringer in 45 LC / 410 Gauge with 3" Barrels. This over / under top break action derringer features high polish stainless steel construction, a spur trigger, smooth wood grips and handfitted action allowing easy cocking. The gun is in like new condition and it comes in its French styled leatherette display case. Great piece. Estimated Value: Low: $600 High: $700