How do I get +10% Gathering Bonus Banner in GW2?

Check the Acquisition and "Sold by" sections, which list the vendors, containers, salvage sources and achievements that grant +10% Gathering Bonus Banner, where known.

What is the Trading Post price of +10% Gathering Bonus Banner?

The live buy and sell prices are shown at the top of the page, pulled from the official Guild Wars 2 Trading Post API.

Fine · Immediate

+10% Gathering Bonus Banner

Spawns a guild banner that will give +10% gathering chance for 30 minutes to any ally that touches it. Stacks with other gathering boosts.

Soulbound on AcquireVendor 25 copper

No crafting, acquisition, achievement or collection data is available for this item yet.

Item data from the official Guild Wars 2 API. Acquisition, salvage and collection data from the Guild Wars 2 Wiki.