i have 4 that have beaten me.i'll try to describe thyem the best i can(inblack and white)
1.a square containing a circle in which are 2 half T's which do not meet
2.what looks like a leaf (sorry i'm so vague!)
3.capital letter P in a circle(thinking primark but can't confirm)
4.a circle of dots decreasing in size fom left to right
many thanks