Byzantine Seal Matrix with Inscription

Fitted with two channels running to a central circlet with the image of a saint cavalryman in the centre, surrounded by Greek letters A, O, O, E, C, OS, E, O; small holes to three of the corners for insertion of pegs. 136 grams, 79 mm



UK private collection before 2000. Acquired on the UK art market. Property of a London gentleman.

Plates from mid-period jewellery moulds (10th-12th centuries) with the imprint of the jewellery to be made carved into one or both of the surfaces (earrings, buckles, clasps, beads of necklaces, etc.) were usually made of graphite schist, or other rocks. The plates were bound together in twos or threes by lead pins and the liquid metal was injected via conical openings. Similar tools were found in the 10th-12th levels of Thessaloniki.

Discoid with integral loop, tondo with figural scene of Simeon Stylites standing on his column, two worshippers at the base and two angels above; legend to the rim. 22 grams, 48 mm



Acquired in the mid 1980s-1990s. Private collection, Switzerland, thence by descent. Private collection, since the late 1990s.

Piriform body decorated from concentric circles, with domed filler-hole, intended to be filled with explosive liquid and wick, used as a hand grenade. 1.01 kg, 15 cm



Acquired 1980-2015. Ex Abelita family collection. Accompanied by an academic paper by military specialist Dr Raffaele D'Amato, dated 15 July 2019 and titled 'Eastern Roman Empire - Greek Fire Bomb or Hand Grenade (μεσαίον kακάβιον) 9th-11th century AD'.

Apart from the use of siphons or manual flame-throwers called cheirosiphona, special corps of Roman soldiers employed terracotta grenades, in the form of small jars, abundantly evidenced in archaeological excavations. They were called μεσαία kακαβιά or κυτροκακάβια where the former had a bulbous shape and the latter a more cylindrical form.