North Yorkshire Moors Railway
1st April 1990. Definitive.
Designer: Geoff and Margaret Atkins and Stuart Hudson. Printer: William Sessions Ltd. Offset-lithography in sheets of 6 (3 rows of 2). Perf.: Rouletted 4. Number Printed: 12,000. Number of First Day Covers: 500.
25p
Black, green and red. BR Standard Class 4MT 2-6-4T No. 80135.

3rd May 1990. Definitive.
Designer: Geoff and Margaret Atkins and Stuart Hudson. Printer: William Sessions Ltd. Offset-lithography in sheets of 6 (3 rows of 2). Perf.: Rouletted 4. Number Printed: 12,000. Number of First Day Covers: 700.
25p
Black, yellow and red. SR Schools Class 4-4-0 No. 30926 Repton.

24th May 1990. 150th Anniversary of the NYMR Using Pickering Station.
Designer: Geoff and Margaret Atkins. Printer: Faulwood and Herbert Ltd., Brighton. Offset-lithography in sheets of 9 (3 rows of 3). Perf.: Rouletted 4. Number Printed: 4,500 (sheet numbers 000001-001500). Number of First Day Covers: 1,000.
10p
Sepia, green, red and black. SR Schools Class 4-4-0 No. 30926 Repton.
15p
Red, green and black. NYMR Logo.
25p
Multicoloured. WD no. 3672 Dame Vera Lynn at Pickering.
 
Se-tenant strip of 3.
Sheets exist with sheet numbers in small and large font and without sheet numbers.

23rd June 1990. Royal Mail Pullman.
Issue of 16th August 1989 surcharged in black by Kitts of London. Number Printed: 7,200 . Number of First Day Covers and cards: 500.
25p on 20p
Burgundy and cream. The North Yorkshireman Dining Train Logo.

1st July 1990. 125th Anniversary of Goathland Station and Deviation Line.
Issue of 9th September 1989 surcharged and overprinted 'Deviation Opened 1 July 1865' in black by Kitts of London. Number Printed: 3,500. Number of First Day Covers: 650.
25p on 20p
Multicoloured. NER Class T2 0-8-0 No. 2238 with Moorlander Train at Esk Valley.

1st February 1991. Railway Letter Service Centenary.
Designer: Neill Oakley, Geoff and Margaret Atkins from an illustration by Stuart Hudson. Printer: William Sessions Ltd. Offset-lithography in sheets of 8 (3 rows of 3 including label). Perf.: Rouletted 4. Number Printed: 12,000. Number of First Day Covers: 500.
25p
Multicoloured. NER Class P3 0-6-0 No. 2392 and NER Railway Leter Stamp.

The first row of stamps within the sheet includes a label in the centre of the row.

1st February 1991. Railway Letter Service Centenary.
Designer: Neill Oakley, Geoff and Margaret Atkins from an illustration by Stuart Hudson. Printer: William Sessions Ltd. Offset-lithography in sheets of 8 (3 rows of 3 including label). Perf.: Rouletted 4.
25p
Multicoloured. NER Class Q7 0-8-0 No. 63460, NER and NYMR Logos.
The first row of stamps within the sheet included a label in the centre of the row.

24th April 1991. 10th Anniversary of the NYMR Railway Letter Service.
Designer: Geoff and Margaret Atkins from a drawing by Stuart Hudson. Printer: William Sessions Ltd. Offset-lithography in sheets of 6 (2 rows of 3). Perf.: Rouletted 4. Number Printed: 9,000. Number of First Day Covers: 500.
25p
Dark brown, green and red. GWR 56XX Class 0-6-2T No. 6619 at Grosmont.

Some sheets are light brown, green and red. 2,000 were destroyed and 4.500 were surcharged for the issue of 2nd October 1993.

15th July 1991. 10th Anniversary of the Opening of Newtondale Halt.
Designer: Geoff and Margaret Atkins and Bernard Parkinson from a photograph by Don Smith. Printer: William Sessions Ltd. Offset-lithography in sheets of 6 (2 rows of 3). Perf.: Rouletted 4. Number Printed: 9,000. Number of First Day Covers: 650.
25p
Multicoloured. BR Standard Class 4 2-6-4T No. 81035.

16th July 1991. Bulleid Pacific Locomotives.
Designer: Geoff and Margaret Atkins and Stuart Hudson. Printer: ??????????. Offset-lithography in sheets of 8 (4 rows of 2). Perf.: Rouletted 4. Number Printed: 6,000 of each. Number of First Day Covers: 650 covers and 100 postcards.
25p
Black, green and red. SR West Country Class 4-6-2 No. 34027 Taw Valley.
25p
Black, green and red. SR Battle of Britain Class 4-6-2 No. 34072 257 Squadron.
 
Se-tenant pair.

7th December 1991. 15th Anniversary of Santa Specials on the NYMR.
Issue of 2nd February 1989 surcharged in scarlet red by Faulwood and Herbert Ltd., Brighton. Number Printed: 3,600. Number of First Day Covers: 480.
25p on 20p
Multicoloured. 0-4-0ST Mirvale near Goathland.