Sealed and graded by the more legitimate company, this hurts to put up for sale, but time and bills wait for no-one. Getting a graded NES original is nigh on impossible, so this is the closest most will come.
LOL: The following is the AI Description.
The product is a sealed 2006 Nintendo Game Boy Advance Metroid Classic from the NES series, graded CGC 9.6 A+. This shooter game, published by Nintendo, is rated E for Everyone and comes with a 3-month manufacturer warranty. The game is for the NTSC-U/C (US/Canada) region and is compatible with the Nintendo Game Boy Advance platform. With its nostalgic gameplay and high grade, this collectible video game would be a valuable addition to any gaming enthusiast's collection.