・These cufflinks are azuki bean color with blue-gray streaks. ・I was told they were agate when I purchased them, but they are not heavy. The back looks like agate. ・There are no issues with the metal fittings, but please understand that these are used items and may have some dullness or minor scratches. There are no hallmarks. ・There is no box. They will be shipped in whatever packaging is available.