EX-99.906CERT

Section 906 Certifications


                CERTIFICATION PURSUANT TO 18 U.S.C SECTION 1350,

                             AS ADOPTED PURSUANT TO

                  SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002



         JOHN V. MURPHY, Principal Executive Officer, and BRIAN W. WIXTED, Chief
Financial Officer, of Oppenheimer International Large-Cap Core Fund (the
"Registrant"), each certify to the best of his or her knowledge that:

         1. The Registrant's periodic report on Form N-CSR for the period ended
June 15, 2005 (the "Form N-CSR") fully complies with the requirements of Section
15(d) of the Securities Exchange Act of 1934, as amended; and

         2. The information contained in the Form N-CSR fairly presents, in all
material respects, the financial condition and results of operations of the
Registrant. This certification is being furnished to the Commission solely
pursuant to 18 U.S.C. ss. 1350 and is not being filed as part of the Form N-CSR
filed with the Commission.



Principal Executive Officer                 Chief Financial Officer

Oppenheimer International Large-Cap         Oppenheimer International Large-Cap
Core Fund                                   Core Fund
/S/ JOHN V. MURPHY                          /S/ BRIAN W. WIXTED
----------------------------                ----------------------------
John V. Murphy                              Brian W. Wixted

Date: June 15, 2005                         Date:  June 15, 2005