Nicephorus Basilacius. Usurper, 1078. Æ Follis (28mm, 6.53 g, 1h). Thessalonica mint. Facing bust of Christ Pantokrator; barred IC XC across field / Patriarchal cross on base; barred IC XC / NI KA across field. DOC, p. 706, N.1; P. Grierson, Nicephorus Bryennius or Nicephorus Basilacius?" NumCirc LXXXIV.1 (January 1976), type a; R. Bland, "A Follis of Nicephorus Basilacius?" NC 1992, pl. 36, B; SB 1903A. Fine, rough green surfaces. Very rare."