@masummim50 going through your sketch this morning is a great thing. .. Your art work transferred some inspiration to me. Am also into some nice pen sketch but i do mine with ballpoint pen ..kindly click and out the link below.... Thanks...always remember creativity is every artist birthright..
https://steemit.com/artzone/@rf-abol/ballpoint-drawing-of-cristiano-ronaldo-celebrity-pen-art-series