An old Stanley block plane no. 130, also known as a Stanley double-ended block plane.
This Stanley plane has a plane iron that is marked 'Stanley, Rule & Level' which very likely means this is an early Stanley 130 plane coupled with:
The person who sold us this plane said the tool belonged to his grandad who was 'Leslie George Hyland. He was born in 1902 and died in 1982: He became a master wheelwright and worked on the Lord Mayor’s State Coach. During the 2nd World War he was asked to make and supply stretchers to the Army'.