Fastener assembly for display cards, signs and the like

A display assembly for attachment to a surface, said display assembly comprising:

• a display holder with at least one closed edge;
• a base, said base having at least one rotatable fastener opening and one mounting opening;
• at least one rotatable fastener, said fastener comprising an axle having a longitudinal axis, a knob formed at a first end of said axle and a cam formed at an opposite end of said axle;
• said cam having an outer cylindrical surface and at least one indentation formed in said outer cylindrical surface;
• said fastener opening including a cylindrical cam wall formed thereabout;
• said cylindrical cam wall having at least one wall opening and a detent snap formed in said cylindrical cam wall opening;
• a pair of bearings, each having an inner bearing surface;
• said respective inner bearing surfaces of said bearings arranged to encompass said axle about said longitudinal axis;
• and
• said display holder releasably positioned between said base and said knob;
• whereby said cam and said axle are positioned within said fastener opening and said indentation formed in said outer cylindrical surface is arranged to selectively engage with said detent soap when said fastener is rotated about said longitudinal axis.