This unique matchbox cover label features a captivating design of a majestic purple whale, making it a must-have addition to any stamp collector's collection. The label was produced by the National Society of Fosforos in Porto, Portugal and is an excellent representation of Portuguese stamp design. The label is uncertified and is perfect for those who appreciate the aesthetics of stamps and cover labels. The color of the label is purple, and it is made for use on matchboxes. The label is an excellent commemoration of the beauty of nature and Portugal's coastline.