Got this Boby recently from Craigslist but can't find any info on when the multi-colored one was made. I'm calling this color combo "Transformer". Was this the only combination? Presuming it wasn't cobbled together from one color trolleys since I'm sure I've seen others (but can't find a single photo or mention now). It has 5 casters, signed "Joe Colombo" on the bottom red shelf and says bieffeplast on the logo. Any info would be great. Thanks!
<img class="wpforo-default-image-attachment wpforoimg" src=" http://old.designaddict.com/sites/default/files/forum/IMG_2451. 
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