no shortage of items available on eBay tonight.
https://www.ebay.com/itm/LITTLE-BLACK-SAMBO-1962-Living-Story-Book-Edition-Doll-Puppet-Illustrations/263423407979?hash=item3d5542376b:g:Pj4AAOSw301aUWbA
https://www.ebay.com/itm/Vintage-Sambos-Restaurant-Picture-Story-Series-Post-Cards/112764931068?hash=item1a41504bfc:g:UPMAAOSwvg9XXgSl
https://www.ebay.com/itm/Sambos-Restaurant-Orange-White-Mug/273044756051?hash=item3f92bc5653:g:58cAAOSwcSxaY6zk
i only looked at page 1, which contained 100 items. there are at least 10 pages of items available, for anyone who's interested.