“ The record before us is not in my judgment suitable for considering this broad question as it does not adequately flush the narrower and predicate issue of whether there is a recognizable communicative aspect to appellant's conduct which appears to have consisted merely of wearing a vest fashioned out of a cutup American flag. Such a question, not insubstantial of itself, has been pretermitted in the Court's previous socalled 'symbolic speech' cases where the communicative content of the conduct was beyond dispute. ”

“ City of Chicago, 394 U.S. 111, 89 S.Ct. 946, 22 L.Ed.2d 134 (1969) ; Brown v. Louisiana, 383 U.S. 131, 86 S.Ct. 719, 15 L.Ed.2d 637 (1966) ; Bell v. Maryland, 378 U.S. 226, 84 S.Ct. 1814, 12 L.Ed.2d 822 (1964) ”