Three Civil War items circa 1860 encased hardtack (soldiers called them "tooth dullers" and "sheet iron crackers"); Brinton compass, marked CSA, Thos. Levans, Esq, 1862, Diam.3 1/4"; pair of sharpshooter's glasses in leather case. (Good original condition) *Reference: Lord, Francis Alfred. CIVIL WAR COLLECTOR'S ENCYCLOPEDIA. New Jersey: Blue & Grey Press, 1996. pp.113, 258.