OEM Black iPhone 11 Housing Mid Frame Back (100% Apple Original) Grade C NO CHARGING PORT 

Pulled Original Genuine Apple iPhone Back Housing

NEW - Taken out of a brand new phone

Grade A - no scratches and excellent condition
Grade AB - Barely noticeable scratches on the back glass and frame

Grade B -some noticeable nicks & scratches / deep scratches on the back glass & frame 

Grade C multiple noticeable nicks or deep scratches 

You would get a housing similar condition (grade) to the one in picture (Photo shows only an example).