Victor Vasarely "Untitled" HC Serigraph 22

1970s signed Victor Vasarely "Untitled" Op Art serigraph HC edition. An "HC" is similar to an artist proof but more rare. It's a piece given directly from the artist to a gallery or printer of their work. Substantial blue/silver frame.
Measurements: Framed size - 31" x 31"
Condition: Very good