PC on a few weapon mods

1. staff wrapping of fortitude
health +22

2. hammer grip of warding
armor+4 vs elemental

3. cruel hammer haft
lengthens deep wound on foes by 33%

4. icy bowstring
cold damage

5. vampiric dagger tang
lifestealing 3
health regin -1

6. barbed dagger tang
lengthens bleeding on foes by 33%

7. dagger handle of dagger mastery
dagger mastery +1 (19% chance)

8. bow grip of charrslaying
damage +15% vs charr

9. furious axe half
double adrenaline on hit (10% chance)

10. insightful staff head
energy +3

11. staff wrapping of enchanting
enchantments last 11% longer

1: ~400g
2: ~250g
3: ~500-750g
4: ~500g
5: ~500g-1k
6: ~500g
7: ~750g-1k
8: ~500g
9: ~1k
10: ~300-500g
11: ~300g

None are max, so value drops sharply. Above prices are best guess, but most people don't buy non-max mods if they can help it. I'd say spam 'em if you want, but you're better off just merch'ing them.