Answer:
An example of an allusion in this poem is the way the poet talks about Michelangelo. The lines read:
In the room the women come and go
Talking of Michelangelo.
Michelangelo was an Italian sculptor, painter, architect and poet of the Renaissance. This is an example of an allusion, as an allusion refers to a figure of speech in which an object from an unrelated context is referred to.