Llanberis Lake Railway
4th August 1976. Definitives.
Designer: Anthony Daffern. Printer: T. Stephenson & Sons Ltd., Prescot. Lithography in sheets of 10 (5 rows of 2). Perf.: 14. Number Printed: 5,500 of each (Sheet numbers 0001-1100).
10c
Red and olive. Hunslett 0-4-0ST No. 3 Dolbadarn.
10p
Red and olive. Hunslett 0-4-0ST No. 3 Dolbadarn.
 
Se-tenant pair.

31st May 1978. Definitives.
Designer: Anthony Daffern. Printer: The Seal House Press Ltd., Liverpool. Lithography in sheets of 10 (5 rows of 2). Perf.: 11. Number Printed: 15,000 of each (Sheet numbers 0001-3000).
15c
Black and red. Hunslett 0-4-0ST No. 1 Elidir.
15p
Black and red. Hunslett 0-4-0ST No. 1 Elidir.
 
Se-tenant pair.

4,000 of each were later surcharged (sheets 2201-3000).

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.

October 1980. Provisionals.
Issue of 31st May 1978 surcharged in black. Only the left-hand column of stamps in each sheet were surcharged. Number Printed: 5c ON 15c: 2,400; 5p ON 15p: 1,600 (Sheet numbers 2201-3000).
5c on 15c
Black and red. Hunslett 0-4-0ST No. 1 Elidir.
5p on 15p
Black and red. Hunslett 0-4-0ST No. 1 Elidir.
15c
Black and red. Hunslett 0-4-0ST No. 1 Elidir.
15p
Black and red. Hunslett 0-4-0ST No. 1 Elidir.
 
Block of 4.

19th July 1981. Tenth Anniversary of the Llanberis Lake Railway.
Designer: Anthony Daffern. Printer: T. Stephenson & Sons Ltd., Prescot. Lithography in sheets of 10 (5 rows of 2). Perf.: 14. Number Printed: 2,500 of each.
20c
Red. Henschel 0-4-0T No. 5 Helen Kathryn overprinted '1971 Degfed Pen Blwydd 1981'.
20p
Red. Henschel 0-4-0T No. 5 Helen Kathryn overprinted '1971 Tenth Anniversary 1981'.
 
Se-tenant pair.

Overprinted on definitives issued later on 12th August 1981.

12th August 1981. Definitives.
Designer: Anthony Daffern. Printer: T. Stephenson & Sons Ltd., Prescot. Lithography in sheets of 10 (5 rows of 2). Perf.: 14. Number Printed: 7,500 of each.
20c
Red. Henschel 0-4-0T No. 5 Helen Kathryn.
20p
Red. Henschel 0-4-0T No. 5 Helen Kathryn.
 
Se-tenant pair.

2,500 of each were overprinted and issued on 19th July 1981.