Iraq - Revenues, 1923-31 issues to include; 1923 stamps of Iraq overprinted “ REVENUE “ set to 50r

Iraq - Revenues, 1923-31 issues to include; 1923 stamps of Iraq overprinted “ REVENUE “ set to 50r U, (1r, 5r & 10r being pairs, with 1r shades). (104-121 in The Revenue Stamps of Iraq), Cat. £200+