Now ended as of 31/3
Looks as if the WoK "Goritsi" (Confrontation Wolfen proxies), the pre-coloured Malifaux and Infinity building sets and the 28mm resin trench system pieces were the most sought after items.
https://www.miniaturemarket.com/searchresults?q=Hidden+Gem+SaleHuge sale, up to 90% off in some cases.
Wrath of Kings starters and expansions feature heavily ($10 instead of $70) as do 15mm Flames of War figures and scenics and Malifaux figures and scenics.
Also lots of Dark Age figures including many of the original (and best) Brom designs.
ex CMoN Confrontation issues: Molochs, Cyclops, Fianna set, Hydra, Acheron Character set
Lots of 28mm scenics: walls, trenches etc.