Auction houses and galleries that have dealt in works by William L. Slack.

Contact one or more of the auction houses and galleries listed below if you are interested in buying or selling a work by this artist.

Auction house Number sold Value sold, AUD
Leonard Joel 20 3,071
Lawsons 1 330
Mason Gray 2 160
Amanda Addams Auctions 3 124
Small & Whitfield Auctions 1 115
Philips Auctions Australia 1 91
McCanns 1 77
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