| SG 24 British Guiana 1856. 4 ... | |
| SG 24 British Guiana 1856. 4 cent, black/magenta. Initialled EDW. Very fine... - Sold on eBay Mar 25, 2022 for $8,455.53 | |
| SG 24 British Guiana 1856. Initialled EDW. Faint vertical crease. A very rare seldom seen example. BPA cert CAT £25000.... | |