unmarked (adj.)

• bright
• fresh
• harmless
• inviolate
• mint
• pristine
• unbroken
• unconsidered
• undamaged
• unharmed
• unheeded
• unhurt
• unimpaired
• uninjured
• unmarred
• unnoted
• unnoticed
• unobserved
• unperceived
• unremarked
• unscathed
• unseen
• unspoiled
• unthought-of
• untouched
• virgin