What is the significance of a Quantum Top in Chaichian & Demichev's work?

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I just was taking a look at the book "Introduction to Quantum Groups" by Chaichian and Demichev, where in the introduction part, I ran to the following:
it is well known, that classical limit of a quantum system on a sphere (quantum top) corresponds to infinite value of a spin but not to zero value of \hbar
What are they talking about?
I googled it but there was nothing, nothing even near it!
 
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