PhantomSteve: Created page with "{{Stamp |image=IM-SG-109.jpg |country=Isle of Man |country-code=IM |catalogue=Stanley Gibbons |catalogue-number=109 |variant= |issue-title=RAF Diamond Jubilee |issue-date=28 February 1978 |withdrawn-date=27 February 1979 (withdrawn from sale) |quantity-sold=416,082 |sold-out= |year=1978 |face-value=11p |subject=Boulton Paul Defiant over Douglas Bay, 1941 |stamp-t..."

2026-10-29T21:08:13Z

Created page with "{{Stamp |image=IM-SG-109.jpg |country=Isle of Man |country-code=IM |catalogue=Stanley Gibbons |catalogue-number=109 |variant= |issue-title=RAF Diamond Jubilee |issue-date=28 February 1978 |withdrawn-date=27 February 1979 (withdrawn from sale) |quantity-sold=416,082 |sold-out= |year=1978 |face-value=11p |subject=Boulton Paul Defiant over Douglas Bay, 1941 |stamp-t..."

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{{Stamp
|image=IM-SG-109.jpg
|country=Isle of Man
|country-code=[[wikipedia:en:Isle of Man|IM]]
|catalogue=[[wikipedia:en:Stanley Gibbons catalogue|Stanley Gibbons]]
|catalogue-number=109
|variant=
|issue-title=RAF Diamond Jubilee
|issue-date=28 February 1978
|withdrawn-date=27 February 1979 (withdrawn from sale)
|quantity-sold=416,082
|sold-out=
|year=1978
|face-value=11p
|subject=[[wikipedia:en:Boulton Paul Defiant|Boulton Paul Defiant]] over Douglas Bay, 1941
|stamp-type=[[wikipedia:en:Commemorative stamp|Commemorative stamp]]
|stamp-subtype=Anniversary
|format=[[wikipedia:en:Postage stamp|Stamp]]
|designer=A. D. Theobald
|printer=John Waddington’s Ltd
|printing-process=[[wikipedia:en:Lithography|Lithography]]
|colour=Multicoloured; four colours for each value
|dimensions=29.85 × 48.26 mm (information sheet)
|perforation=13½ × 14
|watermark=Unwatermarked
|paper-gum=P.V.A.-gummed paper, 102 g/m² (information sheet)
|other-catalogues=
|fdc-pages=[[Isle of Man – RAF Diamond Jubilee – Official cover – 1978]]<br>[[Isle of Man – RAF Diamond Jubilee – Mercury cover – 1978]]<br>[[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.<ref name="SG2022-204">{{Cite Catalogue
|author=Stanley Gibbons
|title=Channel Islands and Isle of Man 2022 Edition Stamp Catalogue
|edition=31st combined edition
|publisher=Stanley Gibbons
|year=2022
|section=Isle of Man
|page=204
|catalogue=Stanley Gibbons
|catalogue-number=107–110
|isbn=978-1-911304-89-0
|notes=Place of publication: Ringwood. Details transcribed from the catalogue by the collector. The collector confirms the 7p subject as Bristol Scout C.
}}</ref>

== Subject ==

The 11p shows a [[wikipedia:en:Boulton Paul Defiant|Boulton Paul Defiant]] over Douglas Bay in 1941. The leaflet identifies it with No. 307 (Polish) Squadron, which flew Defiant night fighters from [[wikipedia:en:RAF Jurby|Jurby]], and describes the scene as a dusk flight on its way to assist in the defence of Liverpool.<ref name="information-sheet">{{Cite
|title=Royal Air Force Diamond Jubilee — Date of Issue 28th February 1978
|type=Information sheet
|publisher=Isle of Man Post Office Authority
|notes=Two-sided information sheet accompanying the collector’s owned official cover. Scans: [[:File:IM-RAF-Diamond-Jubilee-1978-information-sheet.jpg|front]] and [[:File:IM-RAF-Diamond-Jubilee-1978-information-sheet-back.jpg|reverse]].
}}</ref>

== 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.<ref name="information-sheet" /><ref name="SG2022-204" />

The official information sheet explicitly identifies the paper as unwatermarked.<ref name="information-sheet" />

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”.<ref name="SG2022-204" /><ref name="information-sheet" />

== Sales and withdrawal ==

The catalogue records 416,082 sold of this stamp. It was withdrawn from sale on 27 February 1979.<ref name="SG2022-204" />

== Related stamps ==

* [[IM-SG-107]] — 6p, [[wikipedia:en:Short Type 184|Short Type 184]] seaplane and [[wikipedia:en:HMS Ben-my-Chree|HMS ''Ben-my-Chree'']], 1915.
* [[IM-SG-108]] — 7p, [[wikipedia:en:Bristol Scout|Bristol Scout C]] and [[wikipedia:en:HMS Vindex (1915)|HMS ''Vindex'']], 1915.
* [[IM-SG-110]] — 13p, [[wikipedia:en:SEPECAT Jaguar|SEPECAT Jaguar]] over Ramsey, 1977.

== References ==

<references />

IM-SG-109 - Revision history