Unused collection on homemade pages, incl WX1-2, WX3a, WX4, WX6, WX7 (unused & used); also perf varieties, booklet panes, progressive proofs, diff printers; US to 1957, many Canada versions as well; also Finland 1912, 1926-38; Korea & Louisiana 1928-38; F+ w/ some bends from tight mounts