JAMAICA
1964 1stamp out of set #223 (exist surcharge in 1966, 1970 and 1970 again)
1975 ##398-401; also exist as ss of 4(398-401)
1977 ##423-426; also exist as ss of 4(423-426)
1978 ##435-438; also exist as ss of 4(435-438)
1989 ##713-716
1990 ##725-732 (the last 4 stamps are overprints of first 4)
1991 ##752-759 (the last 4 stamps are overprints of first 4)
1994 ##810-813, ss#814
JAPAN
1956 1 stamp out of set #622
1966 1 stamp out of set #887A
1977 #1292
1980 #1412
1983 1 stamp
1986-87 5 stamps out of set #1680, #1685, #1688, #1692, #1698, also exist as ss of 4 (1680,1692,1699B,1699C) #1699A (supposedly 1699B & C also exist)
???? (#2477)?
JORDAN
1992 ##1431-1434, block #1435 (imperforated, design like 1431-1434)
1993 ##1448-1451, block #1452 (imperforated, design like 1448-1451)
JERSEY (BRITAIN)
1989 1 stamp out of set #507
1991 ##568-571
1995 ##727-731; also exist ss of 2 (730-731) #731a.
JEWISH REPUBLIC (Russian Federation)
???? Sheet of 6 #7-12, SS #13
???? Sheet of 6 #1-6