A 20-year-old female presented to the dermatology OPD with skin lesions which were itchy, violaceous, shiny flat topped, polygonal papules of various sizes on flexor surface of wrist. These when viewed under a magnifying lens, surface of the lens showed ceain streaks which were enhanced by putting a drop of mineral oil on the lesions. Koebner's phenomena was present. On examination, some lesions were observed in the oral mucosa along with erosive lesions on tongue. Nails showed thinning and distal splitting of nail plates, longitudinal ridging and pterygium.