J.M. GUFFEY PETROLEUM CO.
image by Joe McMillan, 18 October 2001
The illustration follows FOTW; Lloyds shows a block-style G. Gulf retained a modified version of the red Guffey flag, using a white Roman-style G instead of the earlier block letter.
The illustration follows FOTW; Lloyds shows a block-style G. Gulf retained a modified version of the red Guffey flag, using a white Roman-style G instead of the earlier block letter.