Iron spearhead, from this grave?

Douglas 1793, 27:The drawings the exact size [L. 29cm]. Fig. 3 [Pl. 7] found in the same pit at Ash, and at the same period as the umbo, and might possibly have been the companion to the umbo in the same grave.Found in 1771 and given to Douglas by Edward Jacob of Faversham; 'Tumulus VII'.