Locomotora 120, Madrileña (1851)
4-digit value (narrow)

without No.
No.: 0001 - 2000

Locomotora 120, Madrileña (1851)
4-digit value (wide)

without No.
No.: 2001 - 2200 (eventually with text)

Locomotora 120, Madrileña (1851)
5-digit value (narrow)

without No.
No.: 3501 - 5000 / 5268 / 5298 / 6126 / 6269 / 6405 (eventually with text)

Locomotora 120, Madrileña (1851)
5-digit value (wide)

without No.
No.: 3001 - 3500 (eventually with text)

Locomotora 120, Madrileña (1851)
6-digit value (narrow)

without No.
No.: 3501 - 5000 / 5035 / 5801 (eventually with text)

Locomotora 120, Madrileña (1851)
6-digit value (wide)

without No.
No.: 3001 - 3500 (eventually with text)

Locomotora 120, Madrileña (1851)
5-digit value € (narrow)

with or without No. (eventually with text)

Locomotora 120, Madrileña (1851)
5-digit value € (wide)

with or without No. (eventually with text)