One Piece Rank Insignia Patch for Master Chief Petty Officers of the Royal Manticoran Navy that have NOT chosen a specialty track. This also covers the rank of Senior Master Chief Petty officer by adding our crown patch above this patch. You can order the crown here: https://store.trmn.org/royal-manticoran-navy-senior-master-chief-petty-officer-crown/
Additionally, RMN Bosuns, Fleet Senior Master Chief Petty Officers, and Command Senior Master Chief Petty Officers will wear gold rank insignia regardless of previous specialty.
