Knowing the gender of the letter writer would help. Some possible options:

https://www.myfonts.com/fonts/ihof/p22-grosvenor/
https://www.myfonts.com/fonts/ihof/p22-dearest/
https://www.myfonts.com/fonts/stephen-rapp/solantra/
https://www.myfonts.com/fonts/3ip/american-scribe/
https://www.myfonts.com/fonts/ffp/ishia-antiqua/
https://www.myfonts.com/fonts/3ip/emily-austin/
https://www.myfonts.com/fonts/paratype/pushkin/
https://www.myfonts.com/fonts/sudtipos/miss-robertson/
https://www.myfonts.com/fonts/sudtipos/mr-keningbeck/
https://www.myfonts.com/fonts/sudtipos/mrs-saint-delafield/

Thanks, it would be male. 3IP stuff is what I'm after.

Thanks for sharing.

http://www.g-type.com/olicana-font has plenty of variations to look convincing. I wrote it with a steel nib pen.

Also consider these two:

https://www.kickstarter.com/projects/1822548650/albert-einstein-font
https://www.kickstarter.com/projects/201030759/sigmund-freud-typeface-a-...

Both come with a good set of glyph and ligature variations.