These objects are either used for marking objects, or are reminants of the impressions.  These include stamps for bricks, cylinder seals, and seal impressions.  They are made of stone terricotta for impressing clay or mud. 

Objects: Seals, Stamps, and Sealings Export: JSON - XML - CSV

Object U Number Museum Number (UPM Date Reg Number) Museum Number (BM Registration Number) Museum Number (UPM B-number) Description (Catalog Card)
8981 (none) (none) B16852 Cylinder Seal. Lapis. 2 registers: below: 1 man, fighting animals. Above, human figure with rampant animals on each side and inscription of NIN-TUR-NIN.
8615 (none) (none) B16828 Cylinder seal. Lapis. 2 registers: above: three seated deities(?) with a worshipper in front of each. Below: door: 3 seated and 3 standing figures. Archaic style.
7990 (none) (none) B16789 Cylinder seal of grey mottled stone -- ? fossilised coral. Much worn: subject: crossed goats and 3 persons pouring libations.
8988B (none) (none) B16788 [A] Lapis cylinder found in two fragments + [B] gold caps (missing now?) See UEII No. 308, [A] Cylinder seal. Lapis, with [B] gold caps. Fragmentary. There were found only 2 bits of the cylinder, lying apart, and the caps were some way off in the grave, which otherwise appeared undisturbed. Inscription of (servant of ?) the daughter of Sargon of Akkad.
10530 (none) (none) B16747 Cylinder Seal Shell Inscribed Naked bird-headed hero with sharp upstanding hair resembling plumes pulls a rampant antelope by the horns; before the antelope a pair of rampant lions crossed and beyond the lions a rampant ram reversed-head downwards. Below the ram a scorpion. Inscription reserved on an upper register: Lugal-sa(g)-pad-da). HC 211
10872 (none) (none) B16728 Cylinder Seal Lapis 2 registers: above, 2 seated figures facing with three attendants standing; below, (shrine?) (or table?) with standing servitor, a harpist and 2 other standing figures facing him, a servant, a seated figure and an attendant.
10448A (none) (none) B16727 Cylinder Seal. Lapis lazuli, with 2 registers. Figures sitting, drinking and eating, with standing attendants, and inscription: -A-bar(a)-gi(n). Found on the near side of the box with beads and other small objects.
6896 (none) (none) B16368 Cylinder seal. Grey steatite. Subject obliterated. Linear figures. B.
(none) (none) (none) B16344 Unknown
(none) (none) (none) B16341 Unknown
(none) (none) (none) B16340 Unknown
(none) (none) (none) B16339 Unknown
(none) (none) (none) B16338 Unknown
(none) (none) (none) B16337 Unknown
(none) (none) (none) B16336 Unknown
(none) (none) (none) B16335 Unknown
(none) (none) (none) B16334 Unknown
(none) (none) (none) B16333 Unknown
(none) (none) (none) B16332 Unknown
(none) (none) (none) B16331 Unknown
(none) (none) (none) B16330 Unknown
(none) (none) (none) B16329 Unknown
(none) (none) (none) B16328 Unknown
(none) (none) (none) B16327 Unknown
(none) (none) (none) B16326 Unknown