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| Issuer | Xining City Grain Bureau, Qinghai Province |
|---|---|
| Year | 1972-1973 |
| Type | Log in to see details |
| Value | Log in to see details |
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| Composition | Log in to see details |
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| In circulation to | 1 January 1974 |
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| Obverse description | Log in to see details |
|---|---|
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| Protection type | Official seal |
| Protection description | Red circular official seal with five-pointed star applied to reverse centre |
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| Comments |
China's urban grain rationing system, formalized under the 1955 unified purchase and marketing regulations, produced thousands of locally issued food coupons that varied enormously by region, commodity, and issuing authority. This shi liang — one-tenth of a liang, a unit so small it reflects the granular precision with which flour allocations were tracked — was issued by a city-level bureau rather than a provincial one, meaning it was valid only within Xining's own distribution network and could not be redeemed elsewhere in Qinghai.
The official seal pressed into the paper was the primary anti-counterfeiting measure, crude by any standard but functionally adequate in a command economy where unauthorized duplication carried severe criminal penalties.