whats the command to show what item it is bbs post mission?

[GM-Ciar]

Please try to formulate your sentences in a more comprehensible manner so that others may be able to understand them.

What is "bbs bard post mission"? If you mean the mission board, you need an item ID, which you can get from the @ii command. As for the bard part, I'll need more information to be able to assist you properly.