C1 from Gardiner-Hill collection

C1 plates, these are from the original Dr Clive Gardiner Hill collection

SG numbers 17 and 18- Specialized C1 stamps, Die I, SC, alph. 2, P16

pl 157-164	pl 166, 167
pl 169, 172	pl 173, 174, 175
pl 176, 177	pl 178, 179, 180
pl 181, 182, 183	pl 184, 185, 186
pl 187, 188, 189	pl 190, 191, 192
pl 193, 194, 195	pl 196, 197
pl 200, 201, 202	pl 203, 204
pl R1, R2, R3	pl R4, R5, R6
Peter Witham collection P. Witham also studied C1 similar to Clive G-Hill. These are very similar to G-H but have different shades.