1863: Regno, postage due stamp 10 c. orange with full original gum,
unmounted, originating from a block of 6, which is pictured on
1863: Regno, postage due stamp 10 c. orange with full original gum,
unmounted, originating from a block of 6, which is pictured on the
reverse of the certificate, which is understood for a '1a', In the
meantime, the cataloguing in Sassone has been updated; the orange
variant is now classified as 1b. Raybaudi certificate (2015).
Sassone = € 4'000
