Treskilling Yellow

Swedish postage stamp

The Treskilling Yellow, or three schilling banco error of color, is a Swedish postage stamp of which only one example is known to exist. This stamp was cancelled at Nya Kopparberget, about 150 kilometres (93 mi) from Uppsala, on July 13, 1857. It was last sold in 2010. The auction house valued the stamp between £1.29 million and £1.73 million before the sale. The winning bid was kept confidential.

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