The coaster is identical to the one in the catalog, and the number
below the image links to the coaster in the catalog.
The coaster has not been released yet, but it is expected to be released.
the number itself (e.g., 100) single-sided coaster
number and letters ab (e.g., 100ab) double-sided coaster
number and letter a (b) (e.g., 100a) front (back) side of the coaster