Venetian wound compound beads with a white core, referred as "cornaline d’Aleppo,"
also named white or yellow heart. This type of beads are seen on all cards: “beads traded for ivory” card and the Venetian bead book in the British Museum round ones from size 4 mm to 20 mm,
tubular from 6 x 10 mm to 22 x 13mm. Oval from 10 x 7 to 20 x 13. The disc-shaped ones are seen only on the Pitt River Museum card for central Africa, the Murano Museum,
the Standley cards and the Francis Greil card.