Stamps of German States - Prussia, 3sg denom
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postage
1857, Apr 1 wmk. laurel wreath (no perf info)
| X | 3sg | org | Frederick William IV |
1858, Sep 15 unwmk
| X | 3sg | org | Frederick William IV |
1861, Oct 1 1861 issue
| X | 3sg | och | arms of Prussia in oval |
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