Seabee patch Vs. Steiker

[medalcollector]

Dear fellow collectors,

 

I am in the process of restoring to Seabee uniforms. I’m trying to make them as accurate as possible. 
 

One uniform came with the “CB” diamond patch on the left cuff. The other one, from the 61st construction battalion, came with the CB patch on the left shoulder. However, this has the ghost of the “CB” cuff patch that has been removed. Does anyone know if the sailers were supposed to wear Only “CB” cuff patch or the SSI and not both? Which is worn when?

 

Id appreciate any guidance anyone can provide. Thank you in advance.