https://reverb.com/item/18565166-gretsch-new-classic-merlot-sparkle-22x18bd-10x8-12x9-14x14ft-16x16ft
Since the kit comes with two floor toms (14x14 and 16x16), perhaps the seller will sell you just the 16" FT, which would still leave him/her a full kit to sell to someone else.