Commemorative badge field exercises "Dagger 1" 1998
In 1997 - 1998 Gen. Sławomir Petelicki organized the joint antiterror field exercises in Poland named Dagger 1 and Dagger 2. Following Units took part in those exercises: GROM, 1 Pułk Specjalny, 10 Special Forces Group, US Army Rangers, US Delta Force and British SAS.
Commemorative badge was order in a private company. Picture of this badge is on page 330 in book GROM.PL 2 by Jarosław Rybak.
source: GROM.PL 2 by Jarosław Rybak