![4c Yellow Brown, Vertical Pair, Imperforate Horizontally](https://mynation.net/stamps/files/2020/05/217.jpg)
USA – 4c Yellow Brown, Vertical Pair, Imperforate Horizontally – worth $11,500
4c Yellow Brown, Vertical Pair, Imperforate Horizontally (556a). Block of nine containing one vertical pair of the variety, bottom right corner selvage with “J.W.B.” and […]