red black and blue 1s

What are the black and blue ones in this picture? : r/vexillology

Nigel Farage Pulls Out of Giant Jeremy Paxman Panel Show red black and blue 1s Labour Party Relaunches Brexit Campaign Amid Poll Fears red black and blue 1s How a Chinese Spy Case Turned Into One Man’s Child Porn Nightmare red black and blue 1s Pope Urges Armenia, Turkey to Reconcile Century After Armenian Massacre red black and blue 1s

red black and blue 1s Gold White Black Red Blue Beige Grey Price Rose Orange Purple Green Yellow Cyan Bordeaux pink Indigo Brown Silver