Montserrat 1938 KG6 Pictorial 2s6d slate-blue on piece with full strike of Madame Joseph forged postmark type 263
Montserrat 1938 KG6 Pictorial 2s6d slate-blue on piece with full strike of Madame Joseph forged postmark type 263
Montserrat 1938 KG6 Pictorial 2s6d slate-blue on piece with full strike of Madame Joseph forged postmark type 263