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EXHIBIT 23.3
CONSENT OF INDEPENDENT CERTIFIED PUBLIC ACCOUNTANTS
Allegiant Bancorp. Inc.
St. Louis, Missouri
We hereby consent to the incorporation by reference in the registration
statement on Form S-8 of Allegiant Bancorp, Inc. (Reg. No. 333-44758) of our
report dated March 13, 1998, relating to the consolidated statements of
income, shareholders' equity and cash flows of Allegiant Bancorp, Inc. for
the year ended December 31, 1997, which report is incorporated by reference
in such registration statement.
/S/ BDO SEIDMAN, LLP
St. Louis, Missouri
November 16, 2000