Specimen 1a. on 12a. vertical strip of three with each stamp overprinted "ULTRAMAR" in blue, fine unmounted mint. Photo. | Christie's

Lot 1866

1866

Specimen 1a. on 12a. vertical strip of three with each stamp overprinted "ULTRAMAR" in blue, fine unmounted mint. Photo.

Details

Specimen 1a. on 12a. vertical strip of three with each stamp overprinted "ULTRAMAR" in blue, fine unmounted mint. Photo.

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