There are different codes for the condition of the lunchbox:
C-7 - Good condition, wear, scratches visible, rubs to paint surface, visible wear.
C-8 - Very good condition, light wear, light scratches surface rubs to paint.
C-9 - Near mint, excellent condition, slick wet look to metal, minimal wear, no scratches or rusting.
C-10 - Mint, pristine new condition. As from the factory, absolutely no wear. Wet, mint.
Hope this helps.