1925 ¼ pi. rouletted 13 with the - Hejaz Government 4th October 1924 - overprint in red, a vertical pair, basic positions 43 and 48. error one without overprint, overprint pos. 48 on pos. 43 stamp due to a vertical misplacement of the original type, the stamp has some adhesions of the design from another sheet on the reverse, with Holcombe certificate 1997 stating : in my opinion genuine, a rare pair of which presumably only 5 exist, cat.v. £ 2000