All the drawings on this page are black charcoal on white cartridge paper. They are all the same colour and tone.
The apparent colour difference is in the photographing. They are all the same size:- 85×60 cms

p1010327 p1010328 p1010321 p1010320 p1010316 p1010313 p1010312 p1010274 p1010276 p1010277 p1010282 p1010292 p1010294 p1010301 p1010307 p1010311 p1010272 p1010269 p1010264 p1010260 p1010257 p1010256 p1010250 p1010244 p1010237 p1010233