I remember seeing the Shriner's parade with Imperials. I've searched for a few minutes and couldn't find a single picture with with Shriner's riding in Imperials.
This imposing lineup of 21 Imperial convertibles greeted 21 prominent Omaha, Nebraska, businessmen when they arrived at the Chrysler and Imperial Division to pick up their cars. Besides being the biggest retail driveaway in Imperial's history, the cars were identical - white exterior with blue leather upholstery. Extras include air conditioning, Auto-Pilot and Solex glass. The owners, all members of the Omaha Shriner's organization, will use the cars in parades and other fund-raising activities for the benefit of crippled children.
Here are some shots of an article in the September? 1959 'Imperial Times" Dealer newsletter showing the Imps of Omaha in the 1959 College World Series Parade through Downtown Omaha Nebraska
There was an article in a magazine a year or two ago about them. The cars they had bought and why over several years, history and of course, photos. I never heard of them and the article was very interesting, actually fascinating