Livingston

This is an appeal from the judgment of conviction for violation of Penal Code section 12021 (a felon being in possession of a concealable weapon) and for violation of Penal Code section 245, subdivision (b) (assault with a deadly weapon on a police officer).

The facts: San Francisco Police Officers Robert Landucci and Richard Leon, while driving their patrol automobile on Fell Street in San Francisco, observed appellant and two other men walking and looking into parked automobiles. Appellant was carrying a paper bag and a piece of white wire. *254 One of appellant’s companions was carrying a brass-colored piece of wire. The officers were aware of the high incidence of auto burglaries in the area and that the wire was a tool of auto boosters.

The officers drove to where the men were walking, stopped and identified themselves as policemen, and questioned appellant about the contents of the bag and his name and address. The bag contained a coffee pot which appellant stated was obtained from his sister. Officer Leon then inquired as to where the sister lived so that the story could be verified. At this juncture appellant reached under his coat and stated, “I’m not going…