Ay-o Japanese Artist Two Rainbow Hearts 1980's Original Serigraph Pencil

Ay-O Two Hearts1980's  Silkscreen Hand signed, dated and numbered by the artist on the bottom. The measurements are: 13" in height; 15" wide; 1 1/2" width in plastic framing. The condition of the artwork is good, has a small foxing dot at lower left. Might be a light discoloration on paper from the exposure to the light. The plastic picture framing box has scratches.