ArtisanStreet's Cocobolo and Karelian Hand Turned Bottle Stopper by ArtisanStreet. $38.50. Perfect as a gift or buy for yourself. Hand turned from Cocobolo,. Inset in the top is Korelian Birch. May be gently washed with mild soap. Quickly dry after washing.. Measures 4.5 x 1.5 inches. This bottle stopper is hand turned from Cocobolo, a rich rosewood native to Central America. Inset in the top is Korelian Birch (also known as Masur Birch) a highly figured wood from Scandinavia.