This was the only example of straight line embossing that I found in the 55 gallon drum. The large number of micro bubbles give this insulator considerable character.

CD 124.3 Pat. Dec.19.1871 (Straight Line Embossing) - FD / Large "E" - FS Large Script 4 -BD Lt. Blue Aqua With Bubbles & Microbubbles - 64mm x 88 mm