To the Highest Bidder
The New Hessen Armored Scout regiment uses a navy blue paint scheme with sky blue trim.
The First Irregulars' paint scheme is light green with dark green highlights.
The Second Irregulars' paint their 'Mechs blue with gold trim.
Per Mercenaries Supplemental 2, page 40-43.
Boomerang Spotter Plane, Mercenaries Supplemental 2 (color plates)
Their insignia, which all three regiments us, is a yellow "H" and a sword against a black oval. Per FM: Mercenaries Supplemental II, page 40.