Section 1. That it shall be unlawful for any person to knowingly sell, present or give any pistol, revolver or toy pistol to any minor. Sec. 2. Any violation of this act shall be punishable by a fine of not less than twenty-five nor more than one hundred dollars or by imprisonment in the county jail of not less than ten nor more than thirty days. Sec. 3. This act being deemed of immediate importance shall be in full force and take effect from and after its publication in the Iowa State Leader and Iowa State Register, newspapers published at Des Moines, Iowa.