During the printing of the
350-only Series of the T206 set, American Lithographic included a stylistically framed
American Beauty 350 Tobacco advertisement
on the backs of 190 subjects in this Series.
And approx. 23 subjects in the
350-only Series were not printed with the ABF back. Why is this so ? Perhaps, these 23 guys retired (or were traded) during the
period of the
350-only Series press runs (Spring / Summer 1910).
Furthermore, the majority of these AB 350 cards are narrower than the standard T206's, such as Gabby Street shown here. On the other hand, this Davy Jones
card (ABF back) is the standard T206 width. I'm not certain that we have arrived at a logical reason for this difference.

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TED Z
T206 Reference
.