The Engel Brothers and Jabel collection of fine jewelry brooches lives on within David Connolly. This includes the famous Engel Brothers hummingbird pin that was introduced in 1966 and has been an unwavering favorite ever since. The pin is set with a delicate ruby eye and is traditional sold in 14KT yellow gold, though it can be customized in white or rose gold with an optional sapphire or emerald eye.