| Scott Number | Description | Located On Page | |
| ------------------ | ----------------------------- | -------------------------- | |
| Overprints | |||
| 1-14 | Dollard Overprints | Page Dollard | |
| 15-18 | First Alex Thom & Co. Overprints (Black Ink) | Page Thom 1 | |
| 19-22 | First Harrison & Sons Coil Overprints | Page Harrison 1 | |
| 23-38 | Second Thom Issue (Blue-black or Red Ink) | Page Thom 2 | |
| 39-43 | Third Thom Issue (Wide Overprint) | Page Thom 3 | |
| 44-58 | Fourth Thom Issue (Three Line Overprint) | Page Thom 4 | |
| 59-62 | Second Harrison Coils Issue (Three Line Overprint) | Page Harrison 2 | |
| Definitives | |||
| Commemoratives | |||
| 80-2 | 1929 O'Connell | Page 1929 | |
| 85-6 | 1932 Int Eucharistic Congress | Page 1932 | |
| 88-9 | 1933 Holy Year | Page 1933 | |
| 90 | 1934 Gaelic Athletic Assoc. | Page 1934 | |
| 101-2 | 1938 Father Mathew/Temperance Crusade | Page 1938 | |
| 103-4 | 1939 US Constitution | Page 1939 | |
| 118-9 | 1941 Easter Rising | Page 1941 | |
| 120 | 1941 Easter Rising | Page 1941 | |
| 126-7 | 1943 Sir Rowan Hamilton | Page 1943 | |
| 142-4 | 1950 Holy Year | Page 1950 | |
| 145-6 | 1952 Thomas Moore | Page 1952 | |
| 147-8 | 1953 An Tostal | Page 1953 | |
| 149-50 | 1953 Robert Emmet | Page 1953 | |
| 151-2 | 1954 Marian Year | Page 1954 | |
| 15-4 | 1954 Cardinal Newman | Page 1954 | |
| 155-6 | 1956 Commodore John Barry | Page 1956 | |
| 167 | 1958 Mary Aikenhead | Page 1958 | |
| 176 | Hib C70a | Retouch on "U" of "EUROPA" | Page 105 |
| 177 | MW C71a | Spots in foot of "R" | Page 105 |
| 184 | MW C78a | Spot in margin | Page 105 |
| 186 | MW C80b | Hairline | Page 106 |
| 190 | Hib C84a | "Sputnik in Orbit" | Page 106 |
| 190 | Unlisted | Cross sitting on bowl | Page 106 |
| 191 | Unlisted | Circle sitting on bowl | Page 106 |
| 194-5 | MW C88-9a | Tower flaw | Page 106 |
| 194-5 | Hib C88-9b | Extra window | Page 106 |
| 196 | MW C90b | Stroke on "P" | Page 106 |
| 196 | Hib C90a | Stop flaw | Page 106 |
| 197 | MW C91a | Accented "P" | Page 106 |
| 200 | MW C94a | Retouch | Page 107 |
| 200 | MW C94b | Spur flaw | Page 107 |
| 201 | MW C95a | Flaw right of "LE" | Page 107 |
| 201 | MW C95b | Retouch | Page 107 |
| 201 | Hiv C95a | "Stop flaw" | Page 107 |
| 201 | Hib C95b | "Spur flaw on stroke" | Page 107 |
| 206,210,212 | MW C100a,104a,106a | Dot under"6" | Page 108 |
| 206,210,212 | MW C100c,102c,104c,106c | Damaged background | Page 108 |
| 214 | MW C108b | Hyphen flaw | Page 108 |
| 214 | MW C108c | Thin "5" | Page 108 |
| 218-19 | MW C112-13a | Dark stone | Page 108 |
| 233 | MW C114 | Ink flaw | Page 109 |
| 238 | MW C120a | Joined harpstrings | Page 109 |
| 239 | MW C121a | Broken Frameline | Page 109 |
| 240 | MW C122a | Spot on Neck | Page 109 |
| 240 | MW C122b | Spot on hat | Page 109 |
| 240 | MW C122c | Thick lettering | Page 109 |
| 241 | MW C123a | Extra cloud | Page 109 |
| 242 | Hib C124b | Spot above key | Page 109 |
| 243 | MW C125a | Circle flaw | Page 109 |
| 246 | MW C128a | Stroke on nose | Page 110 |
| 246 | MW C128b | Eye flaw | Page 110 |
| 246 | Unlisted | Grey line | Page 110 |
| 246 | Unlisted | White "caret" | Page 110 |
| 247 | Hib C129d | Blue line | Page 110 |
| 248-9 | MW C130-31b | Extra button | Page 110 |
| 248-9 | Unlisted | Spot on sleeve | Page 110 |
| 268-9 | MW C134-5a | Seat flaw | Page 110 |
| 268-9 | Hib C134-5a | Dot below rail | Page 110 |
| 268-9 | Hib C134-5c | Comma before "1" | Page 110 |
| 268-9 | Unlisted | Line under "2" | Page 110 |
| 268-9 | Unlisted | Spot above value box | Page 110 |
| 270 | Unlisted | Flaw under "A" | Page 111 |
| 270 | Unlisted | Flaw on leg of "A" | Page 111 |
| 272-3 | C138-9a | Flaw beside "e" | Page 111 |
| 274 | MW C140a | Short "1" | Page 111 |
| 274 | MW C140b | Spot on window | Page 111 |
| 279 | MW C145a | "Bullet Hole" under "O" | Page 112 |
| 279 | Hib C145b | Spot under "A" | Page 112 |
| 279 | Unlisted | Retouch top right corner | Page 112 |
| 282 | Unlisted | Spot in right cloud | Page 112 |
| 282 | Unlisted | Blue spot in left cloud and red spot above pennant | Page 112 |
| 282 | Unlisted | Blue spot above pennant | Page 112 |
| 282 | Unlisted | Spot below "RE" | Page 112 |
| 288 | MW C154a | Split lip | Page 202 |
| 288 | MW C154b | Extra lock | Page 202 |
| 309 | MW C160a | "E" flaw | Page 202 |
| 309 | MW C160b | Red dot | Page 202 |
| 309 | Hib C160a | "Ye" joined | Page 202 |
| 339 | MW C190a | Flaw on "r" | Page 202 |
| 374 | MW C208a | Break in frame | Page 203 |
| 378 | MW C212a | Hairline | Page 203 |
| Airmails | |||
| C2 | MW A2a | Major Re-entry | Page 500 |
| C4 | MW A4a | Hand flaw | Page 500 |
| C7 | Hib A7c | "Missing retouch" | Page 500 |
| Postage Dues | |||
| J2 | MW PD2c | Inverted "Q" for "O" in "Postage" | Page 502 |
| J6 | Hib PD6d | Break in upper banner | Page 502 |
| J8 | Hib PD8b | Missing aspirate | Page 502 |
| J26 | MW PD23a | Break in upper left frame | Page 502 |
| J26 | Unlisted | Break in right upper frame | Page 502 |