Its trade-mark consists of the arbitrarily selected word "Nugget." This has been arranged in various forms of type, one of such forms employed being, as shown in the accompanying fac-simile, that of plain block capitals, printed in black, in a horizontal line. But other forms of type may be employed, or it may be differently arranged or colored, without materially altering the character of the trade-mark, the essential feature of which is the word "Nugget.".