i have as i bought one today to part out. it was listed for $60 with a bent fork and suntour cyclone componentry (with bar ends) and dia compe center pulls. i needed this stuff for a '77 moto grand jubile frame i found.
the krystal has a 'made by nissan cycle 76' decal, which i assume is the year of manufacture. it has some very pretty lugwork, cool decals/headbadge and badass suntour gs drops. but the paint looks awful and the fork is bent. after parting it, i listed it on cl for $20. we'll see if a real tall girl named krystal (or her lover) who can ride a 63cm bike absolutely needs a project in her namesake. i'm hoping the cute heart-shaped dt shifter braze is enough to look past its obvious flaws.