Ignition Lock Cylinder Code?

[Seattle Sam]

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I have a lock cylinder here and am wondering what the code is on it. It is stamped 7E52. Wondering if that is a date code or the code for the key set.

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The lock stamp corresponds to the key codes as described on the CRG website -

"As shipped from the GM assembly plant, vehicle keys had a knockout area at the key ring hole that was imprinted with a 4-character code (number/letter/number/number) that correlates to the lock tumbler combination (a 6-digit number described in more detail below). (Only the original keys, and B&S pre-punched factory replacement keys, come stamped with the lock code.)"

more

"The 4-character GM key code (which correlate to the 6-digit tumbler number) was logged by the factory and documented on the broadcast sheets and the documentation provided to the dealer when the new vehicle was delivered. However, they can also be found stamped on many of the locks themselves. On first-generation Camaro they are generally are stamped on the outside of the door and trunk lock cylinder cases, and on the glovebox cylinder plug..."

Click here for a good read. Aren't the guys at Camaro Research Group great?