1864 - 6baj pearl grey and 50baj ultramarine blue,
1864
1864 - 6baj pearl grey and 50baj ultramarine blue, defective printing, from "ROMA 4 OTT 65" to Sidney, Australia, via Great Britain. Rare and extremely fine. Cert. Manzoni and Colla "…it is the finest 50 baj that I have expertised" (Sassone 7Aa+12a - € 92
