A ration coupon exhibition is held at Yangzhou's Hehuachi community on Oct 22 to mark the 40th anniversary of reform and opening-up, showcasing over 5,000 ration coupons including grain coupons and cloth coupons. [Photo/VCG]

Wang Jizong, collector of the rationing coupons, 85, used to work in a bank in Yangzhou and started the hobby of collecting the coupons after his retirement. [Photo/VCG]

Ration coupons were used to buy limited supplies of daily necessities such as meat, oil, rice, coal, vegetables and clothes in the 1960s and 1970s, times of scarcity in China. [Photo/VCG]

The exhibition aims to let people see for themselves the changes in living during the 40 years of reform and opening-up and many local residents showed an interest in it. [Photo/VCG]