unused Block of Four 6c. on 15c. slate block of four, fine mint (lower pair unmounted). A. Diena certificate (1963). Sass. 3, L.3,750,000+. Photo | Christie's

Lot 2349

2349

unused Block of Four 6c. on 15c. slate block of four, fine mint (lower pair unmounted). A. Diena certificate (1963). Sass. 3, L.3,750,000+. Photo

Details

unused Block of Four 6c. on 15c. slate block of four, fine mint (lower pair unmounted). A. Diena certificate (1963). Sass. 3, L.3,750,000+. Photo

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