Lot of 8 VERY Rare Cast Iron Civil War CALTROPS Anti-Cavalry Star Spikes Toy Jacks. There is edge wear but otherwise excellent. Also on the 2nd picture Made a copy on what I found on goggle under Civifrom
Infrastructure (Original and Illustrated) Original
Caltrop identification Relic Hunting & Collecting
BZPRPG Profiles Topic - Bionicle RPG - BZPower
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Civil War Caltrop Rare Anti Calvary Spike Small
Caltrop identification Relic Hunting & Collecting
Late 1700s battlefield artifact found in Pa. lumberyard
Caltrop identification Relic Hunting & Collecting
Civil War Caltrops – Old as Adam
Caltrop identification Relic Hunting & Collecting
Poor Man's Armorer, Vol. 1
Promptorium Parvulorum and Corrections, Camden Old Series
What animals other than horses could be used effectively in a medieval war? - Quora
Caltrop - a.k.a. Crowsfoot, Calthrop, Jack Rock, Star Nail
CIVIL WAR CALTROPS – Fagan Arms