Sandwich headband

FIG. 1 is a partial perspective view of a sandwich headband showing my new design;

FIG. 2 is a partial rear elevational view of FIG. 1;

FIG. 3 is a bottom plan view FIG. 1;

FIG. 4 is a enlarged partial front elevational view of a sandwich headband showing my new design;

FIG. 5 is a enlarged partial rear elevational view of FIG. 4; and,

FIG. 6 is a enlarged sectional view of a sandwich headband, magnifying section 6—6, according to FIG. 4.

The broken line showing of a cap and the visor is for illustrative purposes only and forms no part of the claimed design; the broken lines on the sandwich headband represent stitching, which forms part of the claimed design.