775 15 redlines ID

[ssl78]

Does any one know how to identify how old this tire is. I have not seen a dot date one like it

[PeteLeathersac]

'

Does the 260 represent the 26'th week of 1970?:hmmm:
Nice Redlines!
:beers:
~ Pete

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[ssl78]

They have to be pretty old there is no DOT warning on them. I wonder when it was a law they had to put the warning on them