Zacos G., Veglery A., Byzantine Lead Seals. Volume One (I, II, III), Volume Two+planches. Basel 1972. Part I: Nos. 1-1095 - Imperial seals: V to XV centuries; Non-imperial seals: VI to IX centuries. Part 2: Nos. 1096-2671A - Non-imperial seals: VI to IX centuries. Part 3: Nos. 2672-3231 - Imperial and allied seals: V to XIV centuries; Non-imperial seals: VI to IX centuries. Basel 1972. Four volumes, grey cloth. Good condition, some soil