well, if you can't really do anything with the thread, then might as well update OP (since it's over a year old). suggestions for OP prices-
-i'd remove blanks (public sales are incredibly rare)
-add $25 to each initial price point, $50 to each closing price point (so a $25 increase, but make the range $50 to better account for short-term fluctuations in s&d like seasonal clacks or those that match up with freshly-released keycap sets)
-remove f2 category (people will pay the same for common f2 single now as they will common standard single like trophy silver)
-move 3D to common multis ($100 3D days are dead)
-change "rare" adjective to "uncommon", add new category for "rare" (there's a price gap between something like milk blue and dark teal imo)
-add tier for rare singles and multi-colors, set range at $275+ (basically ebay dictates pricing here, as more of this category are sold there than elsewhere publicly)
so for skulls only-
common single-color - 125 to 175
uncommon single-color / common multi-color - 175 to 225
uncommon multi-color - 225 to 275
rare - 275+
*single-color transparent and semi-transparent caps are priced with multi-color.
i'm sure more active buyers could adjust the ranges a little better, but from everything i've seen publicly/heard privately, these are reasonable estimates for the type of people that would need to come to this thread to find out prices. of course, what constitutes common/uncommon/rare is certainly not easily discernible (given how long clack has been producing keyboard hats), but that's what the geezers in this thread are for