If you have these items and wish to donate to the guild in some way, sell them on the AH or Vendor and deposit the resulting gold. If you feel you have alot of old enchanting mats but don't want to sell them, and would rather put them to good use. Keep them in YOUR bank and post here telling folks what you have a surplus of, if anyone is interested they will then contact you.
I'm tired of taking out Greater Mana Potions (Level 35) and selling them among alot of other low level items.
This is an end-game guild the GuildBank should be populated with that in mind.
Thanks! Feel free to PM me if you have any questions about a specific item. The coresponding post is