Legendary Item Prices

Hey,

is there somebody in here who got good price knowledge and could calculate the price for the legendary dragon knight wings and the legendary wings quest?

https://preview.redd.it/x3ask081f9de1.png?width=782&format=png&auto=webp&s=d04b89d1a99a21f8e009055ddd628f572b9661ef

https://preview.redd.it/k07f0813f9de1.png?width=786&format=png&auto=webp&s=5f4011db3fba2d63beaa06d55d6470951c7c5545

Thanks