Northern Song Dynasty, emperor Ren Zong (1022-1063), Huang Song period ( "Imperial Song", issued 1039-1054 according to Hartill). Seal script. Hartill 16.93-98 (not sure of exact variety). I wrote about him a while ago: https://www.cointalk.com/threads/how-interesting-can-a-2-coin-be.352550/#post-3972532
Northern Song Dynasty Emperor Ren Zong 1023-1063 AD Huang Song Tong Pao http://www.sportstune.com/chinese/coins/huangsung.html Ahhh @Parthicus beat me to it!
