New icon request: Substack

[philsimon]

What is the meaning of the icon? Shortly describe what should the icon present. Substack

Reference image Insert the link with the reference image here. https://substack.com/

Icon request checklist

• [x ] This is a single icon or matched pair (Ex: add / delete)
• [x ] I have searched for existing icons and to the best of my knowledge this is not a duplicate