Just received mt catalog for Archives International Auction Part XII, Oct 20 - 23 (includes online bidding) of banknotes, scripophily, etc. usually lots of ABNCo. products. http://auction.archivesinternationa...ctions-Part-XII-October-20-21-23-2012_as24744
Yep, they are expensive and I been caught up in their auctions a few times. OTOH, I believe their catalogs are a great reference source what with the color scans or color photographs.