1912-35 1000r purple/red, opt 'SPECIMEN' (type D16) for UPU distribution, HORIZONTAL STRIP OF THREE (the largest possible multiple).
Tied to ledger piece from the Madagascar archive by two light strikes of the large red 'POSTES ET TELEGRAPHES/COLLECTION DE BERNE/MADAGASCAR' circular receiving H/S.
One shortish perforation but a unique and magnificent item.
An ex Stanley Gibbons stock item. Cat £1,500 each as singles.