For all the expert Estes collectors out there, can someone explain if there was any particular meaning in the numbers used on these inspection slips that were included in Estes kits probably up through the early 70s?

This one is from an early 70s Ranger and I have a number of older kits that contain them, but I have never known exactly 'how' they might be used to identify to Estes which kit it came from if you were to return it to them (as the slip says) if you had a problem with your kit.

The reason I ask (well, beyond the fact that I personally have never heard any background at all on these slips of paper) is that in the left of the number it says "Kit Type and Inspection", as if the number (or number 'structure') is more than just a simple sequential number. Like, maybe the first two to three digits stand for this type of kit, the next series of numbers stand for so-and-so, and so forth.

I did a quick search here but did not find anything, but I could have missed something.

Just curious if anyone knows.

Earl

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__________________
Earl L. Cagle, Jr.
NAR# 29523
TRA# 962
SAM# 73
Owner/Producer
Point 39 Productions

Rocket-Brained Since 1970