The Big Blue Marble? I'd never heard it called that — but then I wasn't born in 1972 when that endearing moniker described a photo of the earth taken by the crew of Apollo 17. It does sort of look like that doesn't it?
Glass globe, Piano Black base.
Glass Globe: 4" diameter (10 cm)
Total Dimensions: 4"W x 4"L x 5"H (10 cm W x 10 cm L x 12.5 cm H)