| Added by |
 Alain Martineau
|
| General Description : | Each picture of that stamp series (4) was based on photographs taken by HRH The Duke of York. On the 24th March 1992 the set was re-released with enhanced security features. The original (1988) Queens head was changed to a silhouette printed in an optically variable ink whose colour changed as a function of the angle you looked at it. In addition, an eliptical perforation was added half way up the sides of the stamp. However, the main part of the design still used the original dies. By 1995 iinflation had taken its toll and the £1 value was no longer considered to be a high value. Thus the £1 Carrickfergus Castle design was replaced by a £1 stamp following the standard low-value Machin design. However the Carrickfergus Castle was re-released as a £3 high value on the 22nd August 1995 . Carrickfergus Castle is a Norman castle in Northern Ireland, situated in the town of Carrickfergus in County Antrim, on the northern shore of Belfast Lough. Besieged in turn by the Scots, Irish, English and French, the castle played an important military role until 1928 and remains one of the best preserved medieval structures in Ireland. It was strategically useful, with 3/4 of the castle perimeter surrounded by water (although in modern times only 1/3 is surrounded by water due to land reclamation). Today it is maintained by the Northern Ireland Environment Agency as a state care historic monument |
| Face value | 1 Pound |
| Catalog code (Scott) | 1445 |
| Series | Castle Series |
| Place in series | 1 |
| Stamp colour | Multicoloured |
| Watermark | None |
| Stamp use | Definitive stamp |
| Issue date | 24/03/1992 |
| Designer | HRH The Duke Of York |
| Print technique | Photogravure |
| Printed by | Harrison & Sons Ltd |
| Perforation | Elliptical perforation |
| Height | 30.00 mm |
| Width | 41.00 mm |
| Catalog prices | Used stamp $1.00 Unused stamp $4.00 |
