Here is a 1971 Noblet 45.  A couple noticeable differences from Steve's 1965 Noblet 45: and the sn#7811 Noblet 45

[1] use of inline-bridged keywork for the C and Bb trill keys.

[2] The bell is very slightly heavier (tenon is not as thin)

[3] spatula keys are not-pinned