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| Catalog Number | 1657 |
| Description | World Congress PTTI |
| Denomination | 45c |
| Color | multi. |
| Variety | |
| Date Issued | 08/18/97 |
| Perforation | |
| Printer | |
| Years | 1997 |
| Sorter | 2785 |
| Watermark | |
| 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=1657 |
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