1980's Yixing Zini Square Bell Shape Chinese Teapot

Colour: Coffee
Period:  80's
Marks: China Yixing
Size: L: 9.5 cm, W: 6.3 cm, H: 6.1 cm
Capacity: 85 ml (2.87 oz) 
Hole of the pout: Multiple holes
Density(least 1 - most 10): 7 
Suggested Teas: Pu-erh tea, aged white tea, dark oolong tea, or black tea
Condition: In good condition.