This Bible contradiction is from the Skeptic's Annotated Bible.
Jeremiah 52:22 View context
And a chapiter of brass [was] upon it; and the height of one chapiter [was] five cubits, with network and pomegranates upon the chapiters round about, all [of] brass. The second pillar also and the pomegranates [were] like unto these.
2 Kings 25:17 View context
The height of the one pillar [was] eighteen cubits, and the chapiter upon it [was] brass: and the height of the chapiter three cubits; and the wreathen work, and pomegranates upon the chapiter round about, all of brass: and like unto these had the second pillar with wreathen work.