Iron

Basic Iron Overview
Iron, this resource was added before Alpha v1.0.0 and is an valuable resource in Warzone 1503. It can be used to make many things. For example Iron is needed to create your army and upgrading your stronghold. If you ever have excess or want to make a profit you can sell it via Marketplace, and can easily be used as somewhat viable currency with other players.

Production Rate and Value
The production ratio for Iron is 2 for 1 or "2/1" and is decently valuable you can exchange Iron for most things in the marketplace, and Iron can be mined via mines.

Please note that when it says "1 Iron = 0.5 Gold, 2 Stone, 3 Lumber" etc. Please know that it does not mean all of them at once but each resource individually in comparison to iron.

"3" - A Third of your Income or Third of Your "Specific Resource" Income

Note: This Information is recent as of March 17, 2018