Collection of 5 Whaler Carved Whale Ivory Neck Slides, circa 1850s to Dec. 15, 1863, three are polychromed in red. The 1st engraved with initials R.M within a horn and above the date 1863, the 2nd with spread winged eagle wearing Federal breast plate and clutching branch and arrows, the 3rd of rectangular form engraved “R.A. Kerr Co. A, 8th Pa Cav.”, the 4th with carved spread winged eagle wearing Federal shield breast plate and clutching branch and arrows, the 5th is heart shaped with Federal shield, two American flags and the number 4.