May I impose on someone who has an up to date Scott catalogue to look up a few values for Swiss stamps for me? Note that these are BOB and the O in the numbers are capital letters and not zero's. Any help sincerely appreciated!
Issued in 1958 for the International Bureau of Education - #4O44 #4O46
Issued in 1960 for the World Meteorological Organization - #8O5 #8O7