Mrs.GREEN APPLE on “Harmony”【Blu-ray】の高価買取価格

It looks like you're looking for information on a Blu-ray release by Mrs. GREEN APPLE titled “Harmony.” The number you mentioned, 4988031758939, is likely the product's barcode. The “返品種別A” indicates that it is a product that can be returned under certain conditions in Japan.
If you're interested in specifics such as the contents of the Blu-ray (like whether it includes music videos, live performances, or behind-the-scenes footage) or where it can be purchased, please let me know!