PC Bramble Hornbow

EBON BRAMBLE HORNBOW OF MARKSMANSHIPgold)
Earth damage 15-28 (req 11 marks)
Damage +15% (while health is over 50%)
Marksmanship+1 (19% when using skills)

SUNDERING VERTEBREAKER OF FORTITUDEgold)
Slashing damage 15-22 (req 9 swords)
Energy+5
Armor penetration +20% (chance 19%)
Health+30

I couldn't find any listing for the bramble so any help with this would be cool

b u m p

PS: it's just out of curiosity really, req 11 probably not worth anything, but what about a 15^50 req 9 Bramble Hornbow/Longbow/Flatbow?