Watch List notes:

Byzantine Monogrammatic PB Seal in the name of Peter. Circa 9th–13th century AD. Monogram within wreath: ΠΕΤΡΟΥ / Monogram within wreath: ΥΠΑΡΧΩ. DOC -; for obverse monogram, cf. Zacos BLS 385; for reverse monogram, cf. Zacos BLS 463; W. Seibt, Die byzantinischen Bleisiegel in Österreich, 1; Teil -; cf. Seyrig 366 (reverse bIS and star). 9.57g, 27mm, 12h.

Condition as seen.

From a private UK collection.