Chinese ticket [opgelost]

Could you identify this one, please? I traded for it a month ago but still can’t understand what is this. Maybe it is exonumia? The reverse is empty.

Disaster relief vouchers，It says ten kilograms of rice on it，Issued in Jianli County, Hubei Province，Below，Supply date: September 31, 98 End，卅in China meaning 30，卅一 means 31。The era is 1998，The 1998 disastrous flood in China

这是在1998年发行的救济券，上面写的大米10公斤，1998年中国发生了大洪水，监利县收到了洪水灾害

Thank you so much. 祝你健康快樂.