| Pic Thblink | |
| Catalog Number | 663a |
| Description | Dr. J. Cook |
| Denomination | 8c |
| Color | multi. |
| Variety | se-tenant pair (662, 663) |
| Date Issued | 05/20/75 |
| Perforation | 12 x 12 1/2 |
| Printer | Photo.and Engr. |
| Years | 1975 |
| Sorter | 1284 |
| Watermark | Unwmk. |
| Series | |
| Paper | |
| Ebaylink | http://www.ebay.com/csc/Canada/3478/i.html?LH_Complete=1&_armrs=1&_from=R10&_ipg=&_pcats=260&_sop=16&_nkw=663a |
| Pic Detlink | |