how much are these bows worth?

if i sold a 15>50 10/10 armor pente 30life shadow bow how much would that sell for and a 15>50 10/10 armor pente 30life long bow

Reqs, would be nice, Shadow isnt to popular anymore.

8-9 req - 100k atleast
10-11 - 50-75
12-13 - 25-30

longbow feathered or plain wood skin? and req's do help a bit