The dome is detachable as can be seen in the pictures so it could (in theory) be refilled. However, the original cork stopper has partially worn away - Presumably when it was opened. The item "KLM Blue Delft Miniature ROYAL PALACE (Paleis Op De Dam) VERY RARE" is in sale since Saturday, November 13, 2021. This item is in the category "Pottery & Glass\Drinkware & Barware\Drinkware".The seller is "billy_binker" and is located in Stockport. This item can be shipped worldwide.