Ricardo - many thansk for your kind offer of help: I am after any army / military insignia devoted specifically to the following units in Brazil: Destacamento de Opera??es Psicol?gicas - Dst Op Psico, Brigada de Operacoes Especiais - Bda Op Esp, Centro de Comunica??o Social do Ex?rcito -CCOMSEX Centro de Instru??o de Opera??es Especiais (CI Op Esp). I am also interested in any brevet insignia worn for OPSIC qualified personnel. I am eager to acquire any patches, insignia or reference information on such items. Thansk in advance DREW