Festiniog Railway
30th October 1974. 150th Anniversary of Port Madoc Harbour.
Designer: Michael Seymour. Printer: T. Stephenson & Sons, Prescot. Lithography in sheets of 12 (4 rows of 3). Perf.: 14. Number Printed: 12,000 (Sheet numbers 0001-1000).
5p
Orange and dark blue on pale blue. Slate Ship in Harbour.

13th August 1975. 150th Anniversary of Stockton & Darlington Railway.
Designer: Michael Seymour. Printer: T. Stephenson & Sons, Prescot. Lithography in sheets of 12 (4 rows of 3). Perf.: 14. Number Printed: 9,000 each (Sheet numbers 001-750).
5p
Black and rose red. Stockton & Darlington Railway Seal and Plan of Port Madoc.

10p
Black and yellow brown. Seal of George Stephenson and Horse Dandy Wagon.

15p
Black and violet blue. Robert Stephenson and George England 0-4-0T 'The Princess'.

31st May 1978 - 16th July 1979. Definitives.
Designer: Michael Seymour. Printer: T. Stephenson & Sons, Prescot. Lithography in sheets of 12 (4 rows of 3). Perf.: 14. Number Printed: 31/5/1978: 5(p) 8,592 (Sheet numbers 0001-0650). 10(p) 8,400 (Sheet numbers 0001-0700). 15(p) 8,400 (Sheet numbers 0001-0700). 16/7/1979: 15(p) 5,400 (Sheet numbers 0701-1150).
5(p)
Salmon and light blue. George England 0-4-0T No. 2 Prince.

10(p)
Black and rose red. 0-4-4T Taliesin.

15(p)
Bronze green adn yellow brown. Alco 2-6-2T Mountaineer.

15(p)
Olive green and brown. Alco 2-6-2T Mountaineer.

31st October 1979. Merddin Emrys Centenary.
Designer: Michael Seymour. Printer: T. Stephenson & Sons, Prescot. Lithography in sheets of 12 (4 rows of 3). Perf.: 14. Number Printed: 9,000 (Sheet numbers 001-750).
15(p)
Indigo and purple brown. No. 10 Merddin Emrys at Boston Lodge.

4th August 1980. 10th Anniversary of the Joint Marketing Panel of Welsh Narrow Gauge Railways.
Designer: Anthony Daffern. Printer: T. Stephenson & Sons, Prescot. Lithography sheets of 8 (4 rows of 2 se-tenant horizontally). Perf.: 11. Number Printed: 8,000 of each (Sheet numbers 1-2000)
15p
Black and red. Joint Marketing Panel Logo.

15c
Black and red. Joint Marketing Panel Logo.

 
Se-tenant pair.

24th June 1981. Provisional.
Surcharged by Jones & Son, Penrhyndeudraeth. Number Printed: 7,176 (Sheet numbers 1903-2500).
20(p) on 15p
Surcharged in black. Tan-y-Bwlch station in the 1870s.

22nd July 1981. Definitive.
Designer: Michael Seymour. Printer: T. Stephenson & Sons, Prescot. Lithography in sheets of 12 (4 rows of 3). Perf.: 14. Number Printed: 15,000 (Sheet numbers 0001-1250).
20(p)
Green and black. Hunslet 2-4-0ST Blanche.

25th May 1982. 150th Anniversary of Incorporation and Return to Blaenau Ffestiniog.
Designer: Michael Seymour. Printer: T. Stephenson & Sons, Prescot. Lithography in miniature sheets of 4 (2 rows of 2). Perf.: Ruletted 16. Number Printed: 10,000 of each.
10(p)
Red, yellow and blue. Seal, Act of Incorporation and portrait of James Spooner.

10(p)
Red, yellow, blue and green. Taliesin at Blaenau Ffestiniog.

20(p)
Green, yellow, blue and red. No. 6 Little Giant and Duffws.

20(p)
Green, yellow, blue and red. Earl of Merioneth.

 
Miniature sheet of 4.