Putnam Investments
One Post Office Square
Boston, MA 02109
November 3, 1999
Securities and Exchange Commission
450 Fifth Street, N.W.
Washington, DC 20549
RE: Putnam Investment Funds (Reg. No. 33-56339) (811-7237)
Post-Effective Amendment No. 27 to Registration Statement on
Form N-1A
Ladies and Gentlemen:
Pursuant to Rule 497(j) under the Securities Act of 1933, as
amended, the Fund hereby certifies that the form of Prospectus
and Statement of Additional Information that would have been
filed on behalf of the Fund pursuant to Rule 497(c) upon the
effectiveness of Post-Effective Amendment No. 26 to the Fund's
Registration Statement on Form N-1A (the "Amendment") would not
have differed from that contained in the Amendment, which is the
most recent amendment to such Registration Statement and was
filed electronically on October 29, 1999.
Comments or questions concerning this certificate may be
directed to Steve Asher at 1-800-225-2465, ext. 11159.
Very truly yours,
Putnam Mid-Cap Value Fund
(a series of Putnam Investment
Funds)
/s/ Gordon H. Silver
By:_______________________________________
Gordon H. Silver
Vice President
cc: David L. Coombs, Ropes & Gray
