12 kreuzer black on yellow, perfect perforations and fresh colours, tied by clock wheel stamp \"5\", photo expertize Mueller-Mark and photo expertize Zanini - the both the authenticity and perfectly quality acknowiedge, the current examination of Mister Stegmüller reads: \"stamp deviating, with E. Painted, 12 kreuzer lay only in the Sending before. \", ex collection Andr_ de Cock (Brüssel)