**Exhibit 31.3**

**CERTIFICATION**

 

I,John E. Balzarini,        Chief Financial Officer of the Corporation, certify that:

 

1. I        have reviewed this quarterly report on Form 10-Q for the period endingMarch 31, 2008of First Chester County        Corporation;

 

2. Based        on my knowledge, this report does not contain any untrue statement of a material fact or        omit to state a material fact necessary to make the statements made, in light of the        circumstances under which such statements were made, not misleading with respect to the        period covered by this report;

 

3. Based        on my knowledge, the financial statements, and other financial information included in this        report, fairly present in all material respects the financial condition, results of        operations and cash flows of the registrant as of, and for, the periods presented in this        report;

 

4. The        registrant’s other certifying officers and I are responsible for establishing and        maintaining disclosure controls and procedures (as defined in Exchange Act Rules 13a-15(e)        and 15d-15(e)) and internal control over financial reports (as defined in Exchange Act        Rules 13a-15(f) and 15d – 15(f)) for the registrant and have:

 

(a) Designed such disclosure controls and procedures, or caused such        disclosure controls and procedures to be designed under our supervision, to ensure that        material information relating to the registrant, including its consolidated subsidiaries,        is made known to us by others within those entities, particularly during the period in        which this report is being prepared;

 

(b) Designed such internal control over financial reporting, or caused such        internal control over financial reporting to be designed under our supervision, to provide        reasonable assurance regarding the reliability of financial reporting and the preparation        of financial statements for external purposes in accordance with generally accepted        accounting principles;

 

(c) Evaluated the effectiveness of the registrant’s disclosure        controls and procedures and presented in this report our conclusions about the        effectiveness of the disclosure controls and procedures, as of the end of the period        covered by this report based on such evaluation; and

 

(d) Disclosed in this report any change in the registrant’s internal        control over financial reporting that occurred during the registrant’s most recent        fiscal quarter (the registrant’s fourth fiscal quarter in the case of an annual        report) that has materially affected, or is reasonably likely to materially affect, the        registrant’s internal control over financial reporting; and

 

5. The        registrant’s other certifying officers and I have disclosed, based on our most recent        evaluation of internal control over financial reporting, to the registrant’s auditors        and the audit committee of the registrant’s board of directors (or persons performing        the equivalent functions):

 

(a) All significant deficiencies and material weaknesses in the design or        operation of internal control over financial reporting which are reasonably likely to        adversely affect the registrant’s ability to record, process, summarize and report        financial information; and

 

(b) Any fraud, whether or not material, that involves management or other        employees who have a significant role in the registrant’s internal control over        financial reporting.

 

May 8,        2008

 

 

/s/ John        E. Balzarini

John E.        Balzarini

Chief        Financial Officer