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| Catalog Number | C4 |
| Description | Mercury and Western Hemisphere |
| Denomination | 6c on 5c |
| Color | olive brown |
| Variety | Ovpt. OTTAWA Conf. |
| Date Issued | 07/12/32 |
| Perforation | 11 |
| Printer | Engr. |
| Years | 1932 |
| Sorter | 4187 |
| 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=C4 |
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