With respect to the 460-type backs (BROAD LEAF 460 and Red HINDU), the cards of
Group A are Mutually-Exclusive with the cards of
Group B (AB 460 and UZIT).
I discovered this while doing research on the AB 460 cards and BROAD LEAF 460 cards back in 2010. Refer to....
350/460 mutually-exclusive cards....post #14.
Illustrated here are the
63 subjects of the
350/460 series which American Lithographic separated into 2 print groups at the tail-end of their T206 press runs.
Group A of the
350/460 series includes
35 subjects printed and issued with these four 460-type backs (circa..late 1910 > early 1911).
.
.
Factory #25 VA ......................... Factory#42 N.C.
Conversely, these 35 subjects were
NOT PRINTED with....
AMERICAN BEAUTY 460....
UZIT
Group A
.
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Group B
Group B of the
350/460 series includes
28 subjects printed and issued with these two 460-type backs (circa..Feb-Mar 1911).
.
Conversely, these 28 subjects were
NOT PRINTED with..
SWEET CAPORAL 460 Factory 25..
SWEET CAPORAL 460 Factory 42..
red HINDU..
BROAD LEAF 460
TED Z
T206 REFERENCE....convenient access to T206 checklists
.