EXHIBIT 4.1 (SAMPLE) SHARE CERTIFICATE OF GRAVITY CO., LTD. SHARE CERTIFICATE FOR TEN (10) SHARES KRW five thousand Issue no. 1 Da- No.00000 1. Name of the company GRAVITY Co., Ltd. 2. Date of incorporation April 4, 2000 3. Total number of authorized shares Forty million shares 4. Par value per share KRW five hundred 5. Type of share Common share in registered from 6. Date of issuance December 25, 2003 This share certificate is hereby issued and delivered to the person whose name is inscribed on the back of this certificate to certify that such person owns ten (10) shares in GRAVITY Co., Ltd., in accordance with the said company's articles of incorporation. GRAVITY CO., LTD. Representative Director Jung Hwi Young