Date of Issue : 31 Dec 1999
Postmark : GPO Sydney NSW 2000
Denomination : 45c
Stamp Size : 30.5 mm x 30 mm
Paper : Tullis Russell
Printing Process : Offset Lithography
Special Feature : Hologram
Above is a special Celebrate 2000 Souvenir Cover, featuring two Celebrate 2000 stamps (originally issued on 1 Nov 1999) and two postmarks, issued to celebrate the old and the new millenniums. The first stamp is postmarked GPO Sydney on 31 Dec 1999, while the second stamp is postmarked GPO Sydney on 1 Jan 2000.