beginner

Critique please! Stubbed serif typeface

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This is my first attempt at a typeface which isn't based on a grid or systems based approach. I'm very much a beginner at typeface design but looking to improve as quickly as possible so please criticise as much as you feel like.

The typeface is tentatively named Solzhenitsyn after the book with the lettering that it is based off. The lettering in question should be below.

I loved the caps on the title and wanted to try to create a full alphabet from this. My first very rough drafts are below and a pdf is attached for a closer look.

A quick all caps print test.