Is your truth operator stamped with the number 40754? If it is, you have an older version of the Truth Entrygard Operators. The number 40754 does not tell us which operator you have, but it narrows it down to about 20 operators. You might be able to narrow it down more, by looking for more numbers that are stamped on the Truth Entrygard Operators. Probably the easiest way to do it, is to enter the numbers you find into our website search. Another way to find it, would be to visit the Truth Entrygard Operators section of our website and browse the pictures of the opertators.