The Spellbound cap is listed as 2. I have 1 and it's not anywhere in the market for me either.
I also have Ivy's bakery on sale for 100 gems:
(From the Hub
Ivy's Bakery (2x2) limit 1 cost 200 gems. Comes fully built. Cannot be sold
Available at: level 22
Collection time: 24 hours
Drops: 2 drops of either: Silver platter, Ivy's hot sauce, Skunkupies, Super yummy pies, Syrup, Bread, Orange cobbler, Flour