Berlin Quartet: Worth it even if you already own the tanks

Thanks to Scouts_0ut
If you are looking for 0 skill crews and some gold then you can purchase any of the Berlin Quartet tanks that you already own and get the complete 0 skill BiA crew in your barracks. You will receive the gold value of the tank and a new garage slot. See spreadsheet and screenshots for information.

Validated received items in Garage screenshot when I purchased them 26 AUG 2016

Values spreadsheet to make an informed decision