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| Catalog Number | 747a |
| Description | Mackinaw Boat |
| Denomination | 12c |
| Color | multi. |
| Variety | se-tenant block (744-747) |
| Date Issued | 11/18/77 |
| Perforation | 12 x 12 1/2 |
| Printer | Litho.and Engr. |
| Years | 1977 |
| Sorter | 1397 |
| Watermark | Unwmk. |
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| Ebaylink | http://www.ebay.com/csc/Canada/3478/i.html?LH_Complete=1&_armrs=1&_from=R10&_ipg=&_pcats=260&_sop=16&_nkw=747a |
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