Signed. USPS.  First Day Ceremony Program for the dedication of Scott #s3193-#3197 32c Flowering Trees commemorative stamps. This program has a first day of issue cancellation of #3195 Yellow Poplar from the issue, FDOI, March 19, 1998, New York, New York.  It was autographed by 4 ceremony participants. There is second pictorial cancellation for first day of show, FDOI, March 19, 1998, Postage Stamp MEGA Event Station, New York, New York. Program measures 6" x 7".