56. BRITISH LINE ENGRAVED STAMPS - REPAIRED IMPRESSIONS by Osborne. A very fine example of this excellent and essential reference. (Ref 61533) £225.00

57. REPAIRS OF THE 1841 ONE PENNY PLATES 1-40 by J.W.M. Stone. A fine copy of this very informative book on the plate repairs with the original photographic plates. (Ref 61490) £125.00

58. THE ESSENTIAL GUIDE TO THE GREAT BRITAIN LINE ENGRAVED 1d & 2d STARS 1840-1864 by K.M. Statham. Volume I introduction and Volume 2 die I plates 1-11. (Ref 61892) £225.00

59. ORMOND PLATING CARDS - Plating cards which provide a fairly comprehensive pocket guide to plating the Penny Black. (Ref 61505) £10.00

60. THE PLATING OF THE PENNY BLACK POSTAGE STAMP OF GREAT BRITAIN 1840 by Charles Nissan. A fine copy of the S.G. 1998 reproduction - a good reference unfortunately not as good as the original. (Ref 61526) £95.00

61. PENNY BLACK PLATES by Proud. A fine copy of this excellent publication, totally recommended. (Ref 61489) £125.00

62. THE PENNY BLACK - PHILATELY'S NUMBER ONE by Kreicker & Major Burrell. Pamphlet 24 pages, good background information. Ex. 'the Stamp Specialist' May 1940. (Ref 61925) £7.50

63. PENNY BLACKS PLATED by F. Wadham. 1920 pamphlet (24 pages) with useful information, cover damaged. (Ref 61503) £5.00

64. GUIDELINES TO THE PENNY BLACK by Litchfield. A good example of the 1949 hardback edition, slight foxing and natural paperfold to some pages. (Ref 51423) £30.00

65. GUIDELINES TO THE PENNY BLACK by Litchfield. A used example of the 1949 hardback first edition, damage to spine and wear to covers. (Ref 53558) £17.50

66. GUIDE LINES TO THE PENNY BLACK by Litchfield. First edition, September 1949. Good to fine copy of the paperback edition, superb reference. (Ref 61950) £35.00