WD-40 was invented in San Diego in the late 50’s. I don’t know the age of these samples or the display but a good Oldgasser let me know since it had a Zip Code on the sample card it was probably 1960’s or newer. If you want more photos let me know. $125.00 Shipped, lower 48. Thanks

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Last edited by Mark8216; Fri Jan 21 2022 12:18 PM.