How Much Are the Thrill Seekers Quest Pin, red Space Suit and DMR Codes Worth?

[WDWAP]

How many credits are these items worth? Thanks

 

[VMK_Mouse]

I have been offered as much as 2K for it.

 

[WDWAP]

I have been offered as much as 2K for it.

What is the least the quest pin would go for? Also I added a few items and would appreciate your input I don't know values and don't want to offer some credits that are way less than they're worth