Large and miniature ʿspear-shaped insigniaʾ of the Roman empire, or ʿinsignia of authorityʾ (also known as ʿbeneficiarius lancesʾ - ʿBenefiziarierlanzenʾ) - Aurrecoechea Fernández, Joaquín (Journal of Roman Military Equipment Studies, 23/24 (2022/23), 2024)