Talyllyn Railway
7th April 1970. Definitive.
Designer and Printer: Beatley Photo-Litho Co. Ltd from photographs by John Adams. Lithography in sheets of 10 (5 rows of 2). Perf.: 14 x 13 and imperforate. Number Printed: 24,880. Number of First Day Covers: 9,880.
1/7
Multicoloured. Hughes 0-4-2ST No. 3 Sir Haydn at Abergynolwyn.

13,310 were surcharged for issue of 12th February 1971. Imperforate proof sheets were issued.

18th May 1970. Definitive.
Designer and Printer: Beatley Photo-Litho Co. Ltd from photographs by John Adams. Lithography in sheets of 10 (5 rows of 2). Perf.: 14 x 13 and imperforate. Number Printed: 14,880. Number of First Day Covers: 5,400.
1/3
Multicoloured. Hughes 0-4-2ST No. 3 Sir Haydn near Abergynolwyn.

10,000 were surcharged for issue of 8th March 1971. Imperforate proof sheets were issued.

12th February 1971. Provisional.
Issue of 7th April 1970 surcharged in red by Charles Norman Limited. Number Printed: 13,310. Number of First Day Covers: 3.900.
10p on 1/7
Multicoloured. Hughes 0-4-2ST No. 3 Sir Haydn at Abergynolwyn.

Withdrawn on 24th June 1981.

8th March 1971. Provisional.
Issue of 18th May 1970 surcharged in blue by Charles Norman Limited. Number Printed: 10,000. Number of First Day Covers: 2,100.
15p on 1/3
Multicoloured. Hughes 0-4-2ST No. 3 Sir Haydn near Abergynolwyn.

10,000 were surcharged for issue of 8th March 1971. Imperforate proof sheets were issued.

15th May 1972. Definitives.
Designer and Printer: Beatley Photo-Litho Co. Ltd from photographs by John Adams. Lithography in sheets of 10 (5 rows of 2). Perf.: 14 x 13.3. Number Printed: 12,500 of each. Number of First Day Covers: 2,200.
15p
Multicoloured. Hughes 0-4-2ST No. 3 Sir Haydn at Abergynolwyn.
15c
Multicoloured. Hughes 0-4-2ST No. 3 Sir Haydn at Abergynolwyn.
 
Se-tenant pair.

480 of each were destroyed when withdrawn on 24th June 1981.

7th April 1973. Definitive.
Designer and Printer: Beatley Photo-Litho Co. Ltd from photographs by John Adams. Lithography in sheets of 10 (5 rows of 2). Perf.: 14 x 13.3. Number Printed: 12,500 of each. Number of First Day Covers: 2,200.
3p
Blue and black. Adapted from a Railway Letter Stamp design of the 1890s.

3rd June 1974. Definitives.
Printer: Walsall Security Printers. Lithography in sheets of 10 (5 rows of 2). Perf.: 14.3. Number Printed: 12,500. Number of First Day Covers: 5,970.
10p
Multicoloured. Hughes 0-4-2ST No. 3 Sir Haydn near Abergynolwyn.
10c
Multicoloured. Hughes 0-4-2ST No. 3 Sir Haydn near Abergynolwyn.
 
Se-tenant pair.
3,690 were surcharged for issue of 31st May 1978. Withdrawn on 24th June 1981

13th July 1975. Definitive.
Printer: Walsall Security Printers. Lithography in sheets of 10 (5 rows of 2). Perf.: 14.3. Number Printed: 6,000 of each. Number of First Day Covers: 620.
1p
Green and black. Adapted from a Railway Letter Stamp design of the 1890s.

13th August 1975. 150th Anniversary of the Stockton and Darlington Railway.
Designer: John Adams from a drawing by Terence Cuneo. Printer: Beatley Photo-Litho Co. Ltd. Lithography in sheets of 10 (5 rows of 2). Perf.: 14.3. Number Printed: 9,578 of each. Number of First Day Covers: 4,500.
10p
Blue and black. No. 1 Locomotion.

22nd May 1976. Opening of Nant Gwernol Extension.
Designer: A.J. Bullimore. Printer: Walsall Security Printers. Lithography in sheets of 10 (5 rows of 2). Perf.: 14.3. Number Printed: 20.000. Number of First Day Covers: 5,000.
10p
Black and green. Steam.

11th May 1977. Silver Jubilee of HM Queen Elizabeth II.
Designer: Douglas Moyle. Printer: Walsall Security Printers. Lithography in sheets of 10 (5 rows of 2). Perf.: 14. Number Printed: 19.800. Number of First Day Covers: 10,800.
10p
Black, green and red. Fletcher Jennings 0-4-2ST No. 1 Talyllyn and Company Seal.

1st January 1978. Definitive.
Printer: Walsall Security Printers. Lithography in sheets of 10 (5 rows of 2). Perf.: 14.3. Number Printed: 6,000 of each. Number of First Day Covers: 620.
2p
Green and red. Adapted from a Railway Letter Stamp design of the 1890s.

31st May 1978. Centenary of No. 3 Sir Haydn.
Issue of 3rd June 1974 overprinted ‘Sir Haydn 1878-1978’ and surcharged in red by Haydon Printing Co., Birmingham. Number Printed: 3,690. Number of First Day Covers: 3,000.
15p on 10p
Multicoloured. Hughes 0-4-2ST No. 3 Sir Haydn near Abergynolwyn.
15c on 10c
Multicoloured. Hughes 0-4-2ST No. 3 Sir Haydn near Abergynolwyn.
 
Se-tenant pair.

26th September 1979. Definitive.
Printer: Haydon Printing Co., Birmingham. Lithography in sheets of 10 (5 rows of 2). Perf.: 14¾. Number Printed: 5,100. Number of First Day Covers: 200.
5p
Magenta. Adapted from a Railway Letter Stamp design of the 1890s.