178a B 5 3 139 × 83 U 178b B 5 3 " U No watermark 178c Y. B. 5 3 " U " " wove paper VAR. 10. 183a B 11 3 139 × 83 G VAR. 11. 184a W 11 3 139 × 83 THREE CENTS, RED. VAR. 1. No. Paper. Knife. Size. Dimensions. Gum. Remarks. 187a B 7 2 137 × 77 G VAR. 3. 199a W 7 2 137 × 77 G WRAPPERS. VAR. 3. Distance of stamp No. Paper. Dimensions. Laid. from upper edge. Remarks. 245a S. B. 148 × 225 H 35 VAR. 4. 252a B 148 × 232 H 38 1863. TWO CENTS. BLACK. ENVELOPES. DIE A. No. Class. Paper. Knife. Size. Dimensions. Remarks. 373a 4 Buff 11 3 139 × 83 Gummed. 1864. DIE D. VAR. 19. 415b 3 Buff 12 5 160 × 90 Gummed. WRAPPERS. DIE D. VAR. 35. No. Class. Paper. Dimensions. Laid. Remarks. 496a 5 Buff 100 × 200 H ERRATA. Page 13, last line under Head 6, read: _narrow_ for "norrow." " 18, add to description of Var 2, Head XI: _there is usually a flaw in the outer colored line opposite the lower left straight line near "C."_ Page 31, Head XVIII, second line, after "eye-brow", read; _some distance_ instead of: "a considerable distance." " 35, No. 46 should read: "W 2 3 139 × 82." " " " 47 " " "B 2 3 " " 37, No. 89 and 90, under "Remarks", add: "_Reprints on white and buff vertically laid paper_." " 38, No. 121 and 122, under "Remarks", cancel: "_Reprints on white and buff vertically laid paper_." " 42, Variety 3, add: "_distance from "E" to "C" is_ 3-1/2 _mm_." " " The cut marked "7" should have its number changed to "9." " 43, The cut marked "9" should have its number changed to "7." " 52, No. 248, read: "V" instead of "H". " " No. 270, dimensions should be: 180 × 260. " 62, No. 327 and 327a are: Size 3. " 85, No. 417, is gummed. * * * * * Transcriber's Notes [HW:] contains handwritten errata notes, as listed above. Roman and Arabic numeral inconsistencies were retained. Minor punctuation errors and the following typos were corrected: CONTENTS: Changed The 1853-55 Series from page 5 to 6. Page 3: Changed "humilation" to "humiliation". (it is an humilation to American philatelists) Page 3: Changed "unkown" to "unknown". (timorous traveler to proceed into the unkown country) Page 4: Deleted duplicate "the". (spacings between the the letters) Page 5: Changed "ascer" to "ascertained". (easy manner, we have ascer [end of line] three important classes.) Page 6: Changed "proceeed" to "proceed". (and the manufacture will at once proceeed.)