0000350440-99-000121 SC 13G/A 1 19990412 ADFLEX SOLUTIONS INC 0000925743 3678 043186513 DE 1231 SC 13G/A 34 005-44223 99591555 2001 W CHANDLER BLVD CHANDLER AZ 85224 602-786-84 2001 WEST CHANDLER BLVD CHANDLER AZ 85224 SELIGMAN J & W & CO INC /NY/ 0000350440 0000 133043476 NY 1231 SC 13G/A 100 PARK AVENUE - 8TH FLOOR NEW YORK NY 10006 2124880200 100 PARK AVENUE 8TH FLOOR NEW YORK NY 10017 SC 13G/A 1 000035044099000121-001-seq1-sc-13g-a.txt SCHEDULE 13G/A