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It's just a scanning issue. MaverickNate 00:19, 2 November 2011 (UTC)
- I'm not sure. I've removed it, but I've got this card (english version), and it does look like it was intentional, if its wings are compared to the white cloud next to Butterfree, and there are other yellow-winged Butterfree cards. Vuvuzela2010 Δ 00:44, 2 November 2011 (UTC)