IM-SG-109
| Stamp image | 
|
|---|---|
| Identifier | IM-SG-109 |
| Country | Isle of Man |
| Country code | IM |
| Catalogue | Stanley Gibbons |
| Catalogue number | 109 |
| Variant | |
| Issue title | RAF Diamond Jubilee |
| Date of issue | 28 February 1978 |
| Withdrawal or invalidation date | 27 February 1979 (withdrawn from sale) |
| Quantity sold | 416,082 |
| Face value | 11p |
| Subject or design | Boulton Paul Defiant over Douglas Bay, 1941 |
| Stamp type | Commemorative stamp |
| Stamp subtype | Anniversary |
| Format | Stamp |
| Designer or artist | A. D. Theobald |
| Printer | John Waddington’s Ltd |
| Printing process | Lithography |
| Colour | Multicoloured; four colours for each value |
| Dimensions | 29.85 × 48.26 mm (information sheet) |
| Perforation | 13½ × 14 |
| Watermark | Unwatermarked |
| Paper or gum | P.V.A.-gummed paper, 102 g/m² (information sheet) |
| Other catalogue references | |
| Associated FDC or issue pages | Isle of Man – RAF Diamond Jubilee – Official cover – 1978 Isle of Man – RAF Diamond Jubilee – Mercury cover – 1978 Isle of Man – RAF Diamond Jubilee – Stuart cover – 1978 |
| Notes | Sheets of 50, in two panes of 5 × 5. Plate numbers: 1A, 1B, 1C and 1D (each × 4). The illustration is a cancelled stamp from the collector’s official cover. |
This 11p stamp was issued on 28 February 1978 as part of the RAF Diamond Jubilee issue.[1]
Subject
The 11p shows a Boulton Paul Defiant over Douglas Bay in 1941. The leaflet identifies it with No. 307 (Polish) Squadron, which flew Defiant night fighters from Jurby, and describes the scene as a dusk flight on its way to assist in the defence of Liverpool.[2]
Production details
The information sheet credits A. D. Theobald as designer and John Waddington’s Ltd as printer. It specifies lithography, four colours for each value, a stamp size of 29.85 × 48.26 mm, unwatermarked P.V.A.-gummed paper of 102 g/m², and perforation 13½ × 14. The catalogue gives the same perforation.[2][1]
The official information sheet explicitly identifies the paper as unwatermarked.[2]
The catalogue records sheets of 50, in two panes of 5 × 5, and plate numbers 1A, 1B, 1C and 1D for every value, each × 4. The leaflet likewise records two panes of 25 and describes printed cylinder details 1A, 1B, 1C and 1D alongside “traffic lights”.[1][2]
Sales and withdrawal
The catalogue records 416,082 sold of this stamp. It was withdrawn from sale on 27 February 1979.[1]
Related stamps
- IM-SG-107 — 6p, Short Type 184 seaplane and HMS Ben-my-Chree, 1915.
- IM-SG-108 — 7p, Bristol Scout C and HMS Vindex, 1915.
- IM-SG-110 — 13p, SEPECAT Jaguar over Ramsey, 1977.
References
- ↑ 1.0 1.1 1.2 1.3 Stanley Gibbons.Channel Islands and Isle of Man 2022 Edition Stamp Catalogue(31st combined edition).Stanley Gibbons.2022.Section: Isle of Man.p. 204.Catalogue system: Stanley Gibbons.Catalogue number(s): 107–110.ISBN: 978-1-911304-89-0.Place of publication: Ringwood. Details transcribed from the catalogue by the collector. The collector confirms the 7p subject as Bristol Scout C.
- ↑ 2.0 2.1 2.2 2.3 Royal Air Force Diamond Jubilee — Date of Issue 28th February 1978(Information sheet).Isle of Man Post Office Authority.Two-sided information sheet accompanying the collector’s owned official cover. Scans: front and reverse.
