You can recover up to 10 previous versions of your pickzen. For example, in order to recover a previous version of the pickzen Look finder - Production, click on its 3 dots and select Recover version:
Now, select the version and click on the Recover button:
If action is Copy, a new pickzen will be created with the version added to the name. However, if action is Overwrite, the current pickzen will be overwritten with the selected version.