China's Environmental Protection series launched in 1990 as one of the People's Bank's early thematic collector programs, issued during a period when Beijing was under growing international scrutiny over industrial pollution and deforestation following rapid post-reform economic expansion. The 1992 installment is among the harder dates to source in original packaging.
China's Environmental Protection series launched in 1990 as one of the People's Bank's early thematic collector programs, issued during a period when Beijing was under growing international scrutiny over industrial pollution and deforestation following rapid post-reform economic expansion. The 1992 installment is among the harder dates to source in original packaging.