China, 1981 AD., Liaoning Province, Food Ration coupon, 20 Shi Jin of grain. Reverse

State: China, People's Republic (PRC)
Issuer: Chinese government
Location of issue: Liaoning Province
Date of issue: 1981 AD.,
Value: 20 Shi Jin (1 shìj?n = 500 gram = 0,5 kg of grain) Food Ration coupon / Paper voucher
Size: 86 x 33 mm
Material: white paper
Watermark: -
Serial : -
Serial no. : -
Signature: - (0)
Printer:
Obv.: 20 - 20 / ... / 1981 , value numbers flanking Title / Denomination / Date, industrial plant; pink colored paper and violet characters in Chinese, violet and blue ornaments.
Rev.: 20 - 20 / ???? / -. ?????????????????????? / =. ?????????????????? , 1 – 1 / Instruction / 1. This coupon is only redeemable within the province. Can purchase food and processed food products. / 2. This coupon should not be sold. Non- redeemable if faked or changed/damaged. Non-reissue if lost , value numbers flanking usage instructions in Chinese within frame, red seal.
References: numista exonumia 238736 .

Food Ration coupons or vouchers are a type of grain purchase certificate issued by the Chinese government from 1955 to 1993. At that time, city inhabitant had to rely on coupons to buy groceries.