Stampdesc China, type=revenue-$30-dkvio

desc_issuer: China
desc_function: revenue
desc_denom: $30
desc_color: dkvio

Used by 1 overprinted stamp:
China postage 1949 $500 dkvio issue=1949c oc=blk on=type=revenue-$30-dkvio

Not used by any images.

Description does not match any stamp types!