The ornamental design for a portfolio, as shown and described.
FIG. 1 is a perspective view of the design for a portfolio in accordance with the present invention.
FIG. 2 is a front elevational view of the portfolio of FIG. 1.
FIG. 3 is a back elevational view of the portfolio of FIG. 1.
FIG. 4 is a left elevational view of the portfolio of FIG. 1.
FIG. 5 is a right elevational view of the portfolio of FIG. 1.
FIG. 6 is a top plan view of the portfolio of FIG. 1; and,
FIG. 7 is a bottom plan view of the portfolio of FIG. 1.
That which is shown in the drawings comprises that which is claimed, namely, the design for a portfolio shown in the views of FIGS. 1–5. Any portion of the portfolio that is not shown in the drawings forms no part of the design for which patent protection is claimed herein. The broken lines illustrated in the drawings form no part of the design.