21. Awl 3.78 in. (9.6 cm) Date: -3100 - -2900ca. 3100–2900 B.C. (?) Geographic region: MesopotamiaNippur Time period: Jemdet Nasr (?) Medium: Bone Extent: 3.78 in. (9.6 cm)
22. Axe head 3.86 x 1.89 x 5.39 in. (9.8 x 4.8 x 13.69 cm) Date: -4000 - -4000ca. 4000 B.C. Geographic region: MesopotamiaNippur Time period: Ubaid Medium: Ceramic Extent: 3.86 x 1.89 x 5.39 in. (9.8 x 4.8 x 13.69 cm)
23. Base sherd 1.57 in. (3.99 cm) Date: -5000 - -20005th–3rd millennium B.C. Geographic region: IranNishapur Time period: Chalcolithic–Early Bronze Age Medium: Ceramic Extent: 1.57 in. (3.99 cm)
24. Bead 0.43 x 0.59 x 0.94 in. (1.09 x 1.5 x 2.39 cm) Date: -4000 - 800n.d.a. Geographic region: MesopotamiaNippur Medium: Lapis lazuli Extent: 0.43 x 0.59 x 0.94 in. (1.09 x 1.5 x 2.39 cm)
25. Bead 0.71 in. (1.8 cm) Date: -5000 - -20005th–3rd millennium B.C. Geographic region: IranNishapur Time period: Chalcolithic–Early Bronze Age Medium: Stone Extent: 0.71 in. (1.8 cm)
26. Bead 1.14 in. (2.9 cm) Date: -4000 - 800n.d.a. Geographic region: MesopotamiaNippur Medium: Stone Extent: 1.14 in. (2.9 cm)
27. Bead 2.76 in. (7.01 cm) Date: -3100 - -2900ca. 3100–2900 B.C. Geographic region: MesopotamiaNippur Time period: Jemdet Nasr Medium: Ceramic Extent: 2.76 in. (7.01 cm)
28. Beaker 5 in. (12.7 cm) Date: -3100 - -2900ca. 3100–2900 B.C. Geographic region: Mesopotamia Time period: Jemdet Nasr Medium: Marble Extent: 5 in. (12.7 cm)
29. Beaker with a checkerboard design 7.87 x 7.28 in. (19.99 x 18.49 cm) Date: -4000 - -3600ca. early to mid-4th millennium B.C. Geographic region: IranSusa Time period: Chalcolithic Medium: Ceramic Extent: 7.87 x 7.28 in. (19.99 x 18.49 cm)
30. Beaker with geometric decoration 4.25 in. (10.8 cm) Date: -4000 - -3000ca. late 4th millennium B.C. Geographic region: IranTepe Sialk Time period: Chalcolithic Medium: Ceramic, paint Extent: 4.25 in. (10.8 cm)
31. Beveled rim bowl 3.19 in. (8.1 cm) Date: -3300 - -3100ca. 3300–3100 B.C. Geographic region: MesopotamiaNippur Time period: Late Uruk Medium: Ceramic Extent: 3.19 in. (8.1 cm)
32. Blade 0.5 x 0.89 in. (1.27 x 2.26 cm) Date: -4600 - -3600ca. 4600–3600 B.C. Geographic region: LevantTeleilat Ghassul Time period: Chalcolithic Medium: Stone Extent: 0.5 x 0.89 in. (1.27 x 2.26 cm)
33. Blade 0.5 x 1.5 in. (1.27 x 3.81 cm) Date: -4600 - -3600ca. 4600–3600 B.C. Geographic region: LevantTeleilat Ghassul Time period: Chalcolithic Medium: Stone Extent: 0.5 x 1.5 in. (1.27 x 3.81 cm)
34. Blade 0.5 x 1.12 in. (1.27 x 2.84 cm) Date: -4600 - -3600ca. 4600–3600 B.C. Geographic region: LevantTeleilat Ghassul Time period: Chalcolithic Medium: Stone Extent: 0.5 x 1.12 in. (1.27 x 2.84 cm)
35. Blade 0.5 x 1.18 in. (1.27 x 3 cm) Date: -4600 - -3600ca. 4600–3600 B.C. Geographic region: LevantTeleilat Ghassul Time period: Chalcolithic Medium: Stone Extent: 0.5 x 1.18 in. (1.27 x 3 cm)
36. Blade 0.5 x 1.25 in. (1.27 x 3.18 cm) Date: -4600 - -3600ca. 4600–3600 B.C. Geographic region: LevantTeleilat Ghassul Time period: Chalcolithic Medium: Stone Extent: 0.5 x 1.25 in. (1.27 x 3.18 cm)
37. Blade 0.5 x 1.25 in. (1.27 x 3.18 cm) Date: -4600 - -3600ca. 4600–3600 B.C. Geographic region: LevantTeleilat Ghassul Time period: Chalcolithic Medium: Stone Extent: 0.5 x 1.25 in. (1.27 x 3.18 cm)
38. Blade 0.5 x 1.25 in. (1.27 x 3.18 cm) Date: -4600 - -3600ca. 4600–3600 B.C. Geographic region: LevantTeleilat Ghassul Time period: Chalcolithic Medium: Stone Extent: 0.5 x 1.25 in. (1.27 x 3.18 cm)
39. Blade 0.5 x 1.38 in. (1.27 x 3.51 cm) Date: -4600 - -3600ca. 4600–3600 B.C. Geographic region: LevantTeleilat Ghassul Time period: Chalcolithic Medium: Stone Extent: 0.5 x 1.38 in. (1.27 x 3.51 cm)
40. Blade 0.5 x 1.75 in. (1.27 x 4.45 cm) Date: -4600 - -3600ca. 4600–3600 B.C. Geographic region: LevantTeleilat Ghassul Time period: Chalcolithic Medium: Stone Extent: 0.5 x 1.75 in. (1.27 x 4.45 cm)