Bull's Head
... that the rare Moldavian Bull's Head stamp was on sale for less than four months in 1858, and that about half of them were destroyed by fire in 1874?
... that the rare <a href="./Moldavia" id="mwELM" rel="mw:WikiLink" title="Moldavia">Moldavian</a> <b id="mwELQ"><a href="./Moldavian_Bull's_Heads" id="mwELU" rel="mw:WikiLink" title="Moldavian Bull's Heads">Bull's Head</a></b> stamp <i id="mwELY">(pictured)</i> was on sale for less than four months in 1858, and that about half of them were destroyed by fire in 1874?