Semi - Postal issues. 1924, blue or red overprint ''Colonias'' (Specimens for Portuguese Colonies Post Offices with Headquarter located in Mozambique) over semi-postal stamps of 2c+2c-5L+3L and 25c+25c, semi-postal air post stamps of 20c+20c and 1L+1L, the total of 12 values, occasional facial abrasion, some with full OG, most without gum, generally fresh and F/VF, Prof. Klein certificate, Est. $200-$250 (Image)