NATIONAL BANK OF COMMERCE 1955 pilgrims progress oil gas vintage ad

Original vintage oil and gas magazine ad, THE NATIONAL BANK OF COMMERCE of Houston, TX.  Pilgrim's Progress Can Be Made Easy! Old 1955 petroleum industry banking  advertisement. Would look sensational matted and framed.

On the reverse side (see Additional Images tab) is  WELEX JET SERVICES, INC. of Fort Worth, TX.  The Tool That Fires Around A Corner.  In a Year and a Half Welex Formation Fracturing Tool has Bootsted Production in More Than 500 Wells with stories of  Spraberry Trend Well in West TX.  A Well drillied in S.W. Mt. Vernon Pool in Lincoln Country, OK.  A Palo Blanco field in the Gulf coast.  Old 1955 petroleum industry refinery advertisement.