Medieval ArtIvories-Bone4th centuryKnob is a ivories-bone of Coptic origin created in 4th century using bone measuring Overall: 5/8 x 9/16 in. (1.6 x 1.5 cm) — now part of the Medieval Art collection at The Metropolitan Museum of Art.
About This Artwork
| Medium | Bone |
| Dimensions | Overall: 5/8 x 9/16 in. (1.6 x 1.5 cm) |
| Classification | Ivories-Bone |
| Department | Medieval Art |
| Credit Line | Rogers Fund, 1931 |
| Date | 4th century |
Historical Context
Culture & Period
This work belongs to the Coptic culture. The estimated date range is 300 – 399.
Geography
Origin: Byzantine Egypt. 
Frequently Asked Questions
What department houses Knob?
Knob is housed in the Medieval Art department of The Metropolitan Museum of Art.
When was Knob created?
Knob dates to 4th century.
What material is Knob made from?
Knob is crafted from bone.
Where does Knob originate?
Knob originates from Byzantine Egypt (Coptic culture).
Is Knob in the public domain?
Knob is in the public domain and can be freely used.
Data Source: The Metropolitan Museum of Art Open Access · Last updated: April 2026