Mark Norman Francis has worn Barcamp London 4 (green) (tshirt) 6 times, on average every 719 days.

1. last worn 6 years ago

1. 2018

   1. Wednesday, June 20th 860 days after…

2. 2016

   1. Thursday, February 11th 118 days after…

3. 2015

   1. Friday, October 16th 142 days after…
   2. Wednesday, May 27th 360 days after…

4. 2014

   1. Sunday, June 1st 490 days after…

5. 2013

   1. Sunday, January 27th