Previous owner cracked the back and it has been replaced. However there is a dust speck in front of the camera underneath the back cover which may show up when you take photos with the middle camera.
Other two cameras are working great too. The item "USED Samsung Galaxy Note 10 Plus 256GB Single SIM Unlocked AU stock" is in sale since Monday, March 8, 2021. This item is in the category "Phones & Accessories\Mobile Phones". The seller is "raikoken07" and is located in Hobart, TAS. This item can be shipped worldwide.