Daughters of the Nile Year Recognition Tac Pins in 14 kt gold plate with emerald and aurora borealis crystals with tac back. Our Daughters of the Nile-Year Recognition Tac Pins comes in 14 kt gold plate with emerald and aurora borealis crystals and is an a exclusive design for Daughter's of the Nile. Dimensions: 1/2" x 3/4". Available in 5, 10, 15 years.