Need Help About This Stampless UK Scottland Cover Mailed 1848

I do have the odd moment of lucidity Rod!

really I am happy for the knowledge all of you added may be it is the same value of the covers for me and I will the rest of the covers , and nearly I will do my best to scan the entire letters from inside ,thanks all of you.
@ DEAR Bobby no the page you add is for his father I think I will add the page that concern him and some more info
https://www.findagrave.com/memorial...tt_moncrieff

his son is Colin works for the british forces in sudan and egypt he is an engineer
this is the page for his son
https://www.findagrave.com/memorial...tt-moncrieff

also there is a collection of this letters in the special collection of Edinburg university
https://archiveshub.jisc.ac.uk/sear...17d5d23c18f3

also this is a book about Sir Collin written by his daughter
https://archive.org/details/cu31924028345407

i will do my best to know more and to read the letters , if I find some letters clear to use photos instead of scanner I will add them nearly.

DEAR @PostmasterGS
Look at my previous comment and thanks for participation.

Nice work Postmaster.

7 Forres street, looks almost identical to Moray Street Architecture.

i will add the rest o covers




the last photo folded inside can any one help in reading

another one:



also reading the back

another one




the same reading the back

in the near time I will choose some clear covers to photo there content few lines by few lines to get clear photos and add them if we can read them I will add one cover after another.
Thanks in advance for you all.