well 'rose' was for Sturmgeschutz (assault guns, basicly a tank with a gun too big for a turret) and pink was for panzers. but because so many manufacturers were out there and each one seemed to have a different deffinition of 'rose' so you may see a 'panzer' cap out there that looks like a 'Sturmgeschutz' cap, and vice-versa.
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"Victory at any Price!"
SS-Panzergrenadier