This is a poured resin hull in 1 piece, solid resin. There by the bottom or keel may be a bit rough and may require some extra attention and work.
It's not a defect, it's how the kit is and the only way to guarantee a clean appearance and fit for the upper half of the kit. Because these kits are handmade, they may require the molds to be recast at times. The item "1/350 ISW 4094 USS Birmingham CL-62 Light Cruiser 1944 Resin Model Kit" is in sale since Wednesday, September 11, 2019. This item is in the category "Toys & Hobbies\Models & Kits\Military\Sea". The seller is "3wieds" and is located in Knoxville, Tennessee.This item can be shipped to United States.