I've seen it on the deck of one canoe - have a photo of it somewhere but darned if I can find it right now... my recollection is that it is on a 12' Junior model, which could mean it was added later, as the Junior was discontinued several years before this image appeared on a catalog cover. It's a honking big decal for a deck...
They turn up every now and again on Ebay and the like.
As one who has been involved in the Assembly T-shirt a few times, we have to be somewhat careful of cultural sensitivities when using an image like this...
Dan