The mark consists of The word, THUNDERBOLT in small capital letters above the numbers 905 in a much larger font and to the right of that combination is a non orthogonal parallelogram running from left to right as it descends with dark colored strips filling the parallelogram at either end at either end of the parallelogram, the top strip being approximately 4 times the thickness of the bottom strip, a lighter colored strip directly below the top strip approximately the same thickness as the bottom strip, and white filling the rest of the parallelogram.
THUNDERBOLT NINE ZERO FIVE; THUNDERBOLT NINE HU8NDRED FIVE