I just found out about Mimi Eayrs and Joanne Lee's company through an Of A Kind mailer:
http://ofakind.com/editions/880-INKA-WALLET
Here is their site:
http://www.eayrslee.com/
They made a special edition for Of A Kind of a cool geometric-embossed wallet in Taupe (the one in Emerald on their site is gorgeous)...