Singapore quietly issued these two Postage Due stamps on November 7, 1997 and withdrew them on December 31. The 1c, and 4c Due

Singapore quietly issued these two Postage Due stamps on November 7, 1997 and withdrew them on December 31. The 1c, and 4c Dues were not distributed by the Post Office's agents and have become rather scarce as records indicate that only about 6,000 sets were issued.