Queensland State Archives posted a photo:
Avocado Pear.
For some quite unknown reason the avocado pear, or alligator pear (Persea gratissima), continues to attract very little attention among orchardists throughout Queensland. This state of affairs is the more remarkable when the high quality of the fruit and the fact that certain localities throughout the state are almost ideal for its cultivation. The native home of the avocado is tropical America, and from there it has been brought into cultivation in many parts of the tropical world.
Wilson Popence, in his instructive work dealing with tropical fruits, quotes the Indians of Guatemala as saying “Four or five corn cakes, an avocado, and a cup of coffee – this is a good meal.” One is, perhaps, dubious concerning corn cakes, but concerning the avocado as a contributing factor towards a good meal, one who has had the experience of tasting avocado pears in different parts