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 Clay Seals and Sealings

Object U Number Museum Number (UPM Date Reg Number) Museum Number (BM Registration Number) Museum Number (UPM B-number) Description (Catalog Card)
12720 30-12-17 (none) (none) Cylinder seal. Lapis lazuli. Rampant animals crossed. Poor cutting.
11825 30-12-1 (none) (none) Cylinder Seal. Lapis Lazuli. Gazelle attacked by bull, & gazelle attacked by 2 bulls. Inscription: Su-sikil(?) DINGER-SES-AB lugal-ni Kalam-dug-dam. We expect dam-Kalam-dug and perhaps this is possible. ni is written between lines 2 &3, and dam between lines 3 & 4, but both at the end (right). Provisional translation: -Pure Hand (=Handmaid ?) of Nannar (new ideogram.) her King. Kalam-dug-dam (or Dam-Kalam-dug =Wife of the good land).
11112 (none) (none) B16880 Cylinder Seal. Lapis lazuli. Bird headed men fighting bearded bulls and gazelles. One hero wears a four pronged comb at back of head.
16122 31-43-50 (none) (none) Cylinder seal. Lapis lazuli. Banquet scene, 2 seated figures drinking from a common cup out of tubes. Behind one of them a standing figure. Poor cutting.
18365 33-35-176 (none) (none) Cylinder seal. Lapis lazuli. 3 standing figures.
12041 30-12-16 (none) (none) Cylinder Seal. Lapis Lazuli. 2 registers: Animals. Poorly cut. Stags galloping.
8006 (none) (none) B16889 Cylinder seal. Lapis lazuli. 2 registers: above, 2 seated figures, table and door. Below, 2 animals? Very deep cutting and most primitive style.
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.
6698 (none) (none) B16298 Cylinder seal. Inscribed. Grey steatite. Introduction of worshipper by goddess to Nannar: smaller figure behind throne of Nannar holding big club. Below and behind throne small figure pulling dragon by the wing; similar figure attacks dragon in front. Attributes: crescent moon resting on post. Balance and pot. Squat monkey (close to knees of Nannar). Inscribed: Ilu-Shamash, Ilu-Aa 1st Babylonian Dynasty. E.
7552 (none) (none) B16885, B16885 Cylinder seal. hematite. Black. Inscribed. Scene of worship. Shamash standing with left foot on raised step, right foot on ground, left hand raised to greet heavily draped male figure whose left shoulder is bare. Behind a goddess wearing flounced kaunakes skirt with hands upraised, and behind goddess AIA? a warrior with a bent staff carried in right arm. Below the inscription a Simish. Attributes: crescent and moon and Simish. Inscription: ^dBABBAR(^ilSumas): ^dA-A(^ilAia).
7896 (none) (none) B16883 Cylinder seal. hematite. Black. Hero wearing conical cap and short garment which only falls to the knees, and carrying a bird? in his left hand approaches a standing deity wearing high headdress and flounced kaunakes skirt. Behind the hero, naked Ishtar.
17315 31-43-45 (none) (none) Cylinder seal. Hematite. Black. Cut down. Three standing figures, an animal, crescent moon. Two wedge like signs.
1734 (none) (none) B15590 Cylinder seal. grey stone. Broken. Upper part only of introduction scene with crescent moon in front of god. P.
18450 33-35-177 (none) (none) Cylinder seal. Grey stone. Introduction scene with 1 seated and 2 standing figures and 2 columns of inscription: the figures much erased.
1733 (none) (none) B15589 Cylinder seal. grey steatite. Very scratchily engraved on one side only with design of 2 men fighting a lion. P. [drawing]
6896 (none) (none) B16368 Cylinder seal. Grey steatite. Subject obliterated. Linear figures. B.
6779A (none) (none) B16299 Cylinder seal. Grey steatite. Presented. Scene of worship. Worshipper interlaced by minor goddess to seated Nannar. Attributes: Crescent moon. Inscription obliterated. Post Sargonid. Pre-3rd Ur Dynasty about 2500 BC
6002 (none) (none) B16287 Cylinder seal. Grey steatite. Below, figure Gilgamesh? prostrate above, offering to Ea, heraldic animals, etc. c. BC 2300. ? Brick. VII
11415 30-12-48 (none) (none) Cylinder Seal. Grey steatite. (Found broken and in bad condition)
17877 32-40-323 (none) (none) Cylinder seal. Grey steatite. Seated deity & standing attendant. Poor cutting.
6253 (none) (none) B16290 Cylinder seal. Grey limestone? Unpierced. Gilgamesh fighting with the bull. About BC 2500.
16127 87-28-1 (none) (none) Cylinder seal. Greenish stone. Archaic. Broken in 2 pieces.
16104 31-43-54 (none) (none) Cylinder seal. Greenish grey steatite. Presentation scene before seated deity. Palm tree.
7641 (none) (none) B16861 Cylinder seal. Green stone. Slightly concave. Broken in antiquity but remended and complete. Gilgamesh and Enkidu back to back the former fighting a rampant bull the latter fighting a rampant lion.
11492 30-12-25 (none) (none) Cylinder seal. Green stone. Scene: 3 men & 2 lions fighting: one of the men has 4 bulls legs.