Oriented sign clip for mounting on label holder

In the combination of (1) an extruded plastic label holder comprising front and back panels joined at bottom edges thereof and forming a pocket for holding labels and (2) a sign clip of generally inverted U-shaped cross sectional configuration removably mounted on an upper edge of said front panel, the improvement characterized by

• (a) said sign clip having spaced apart front and back walls and an upper wall joining upper portions of said front and back walls,
• (b) said front, back and upper walls being a externally assymetrical configuration to facilitate installation of the sign clip with its said front wall positioned in front of said front panel,
• (c) said front wall having at least two vertically spaced, integral, rearwardly extending, flexible, flap-like retention ribs formed of soft plastic material and extending over the length of said front wall,
• (d) said retention ribs being engageable with a front surface portion of the label holder front panel for reception and retention of an upper edge portion of a sign card,
• (e) the back wall of said sign clip being formed with a projecting rib of soft plastic material extending over the length of the clip and positioned to have gripping contact with a back surface portion of said label engaging panel.