Gray network design type (#1292)

(See all uses as list)

Lithuania 1937 10c grn issue=1937 wmk=multiple letters perf=14

Lithuania 1937 25c mag issue=1937 wmk=multiple letters perf=14

Lithuania 1937 35c red issue=1937 wmk=multiple letters perf=14

Lithuania 1937 50c brn issue=1937 wmk=multiple letters perf=14

Lithuania 1939 1l viobl issue=1937 wmk=multiple letters perf=14

Russian occupation of Lithuania 8/21/1940 50c brn issue=1940 ovpt=LTSR//1940 VII 21 oc=blk on=issuer=Lithuania-1937-50c-brn wmk=multiple letters perf=14

gray network design type