Worldwide Topicals Air, Space & Science, 1950's-90's. Eclectic collection in Lighthouse album, featuring non-Scott listed North Korea & Vietnam, perf & imperf, etc., all space related; also stamps from European and other Asian countries, including P.R.C. set of 4 1955 souvenir sheets for ancient scientists; much of interest here, please inspect. Estimate  $350 - 500. $0