Northern Song Dynasty of Emperor Tai Zong (976 -997 AD). I used to have it listed under Tai Ping Rebels but they should be yellow copper (brass). Li Script of N. Song inscription type.
OB: Tai Ping Tung Pao (or Tong Bao; t,b,l,r).
RX: dot above the hole & blended into the rim
25 mm; 4.7 gm
Hartill #16.21
Northern Song
China - N. Song
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My feeling is that this is definitely H16.21 (Rev: Dot above)
I have to agree - the record has been changed - Thanks ChinaCash!