Cubelero Riviera Japan stainless steel flatware, estate lot vintage silverware

Mod vintage butterfly pattern stainless flatware accented with black, Cubelero pattern, Riviera - Japan. This is a lot of mixed pieces (all shown in the first photo) in good used condition.

There's seven dinner knives, five dinner forks, five salad forks, seven soup spoons, five teaspoons, one butter knife. Thirty pieces in all.