Almost the only lead seals surviving from the fifteenth century were struck by the patriarchs of Constantinople using a design that first emerged in the late eleventh century.
Image Sources
- Seal of Matthew I, patriarch of Constantinople (1397–1402; 1403–1410). BZS.1958.106.316
- Seal of Theodotos Kalothetos (fourteenth/fifteenth century). BZS.1958.106.5688