eBay USA top rated seller All New Shop has a hot deal on Canon EF 24-105mm f/4L IS USM lens.
Canon EF 24-105mm f/4L IS USM lens – $549.00 – at All New Shop via eBay.com
This is lowest price for EF 24-105mm f/4L IS USM lens.
Note: This is an import model of EF 24-105mm f/4L IS USM lens, without Canon USA warranty, but you get get 1-year warranty from All New Shop. There are no physical differences between import models and USA models.