Who said all tub stamps were created equal?

[Ronald L.]

Sized that is.

A picture is worth a few words. Both from un molested tubs, mid 67 and late 67 model year.

[Gerard F.]

Re: Who said all tub stamps were created equal?

Ronald,

Here's a similar stamp for my 67 hardtop:



Looks like the lower stamp in your pic. AO Smith late June 67