옥션
https://eventv2.auction.co.kr/Event3/2021/05/EDRA3970_SmileCard/w_main.aspx
지마켓
https://event.gmarket.co.kr/event/2021/05/0503_smilecard/event.asp
카드 선택후 확인하기 스마일캐시 받기
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옥션
https://eventv2.auction.co.kr/event3/2021/BigS/1st/pre/teaser.aspx
지마켓
https://event.gmarket.co.kr/Event/2021/BigS/1st/teaser/event.asp#anchor__earlybird
G9
https://m.g9.co.kr/Promotion.htm#/Promotion/Bigsmileday202105