As every brief requests, I have made mock-ups of each finished task and re-design. All of my mock-ups can be seen below along with credited links showing were to find the original download – no plagerism here because these mock-ups are not mine, only the content that I put in them are:
Poem Mockup
freepik.com/free-psd/top-view-open-book-mockup_3798077.htm#page=1&query=book%20mockup&position=44
Postcard Mockup
For the sake of change, I have included both sets of mock-ups for these projects, I wanted for one last time to highlight the clear development from start to finish. Not only this, but I have also made sure that my newly designed pieces are represented on a different mock-up – this wasn’t my original idea, but as the mock-up for the Seasons Greetings Card is on the Mac at college, it turned into a happy accident to show a clear difference. Both sets of mock-ups can be seen below with clear captions of which is which:
Book Jacket Mockups
https://covervault.com/5-x-8-front-back-cover-paperback-mockup/
Old Design 
New Design
Seasons Greetings Card Mockups
Old Design 
New Design
I think these second mock-ups represent clearly that this skill has definitely improved!
Baxter's Designs 