Heat-Resistant Ceramic Set: Grill Pan, Grill Plate, Direct Heat Compatible

A 2-piece set of heat-resistant ceramic dishes that can be used directly on a flame, perfect for hamburgers, pasta, and more. Selling due to decluttering my tableware.

★ Immediate purchase is welcome! However, please read my profile before purchasing, commenting, or making an offer.
(I do not accept price negotiations. I apologize for any inconvenience.)
★ Please refrain from purchasing if you are concerned about minor imperfections due to long-term home storage.

?Square heat-resistant ceramic dish... Dark brown, with dividers, Banko ware, Made in Japan (used once as a serving dish)
?Round heat-resistant ceramic dish... Off-white, with handles, manufacturer unknown (unused)
?Sizes... Photos 13-16
?Both purchased at a local pottery shop
?Both can be used on direct flame and in ovens (uncertain about microwave and dishwasher use)
??The round heat-resistant ceramic dish has black spots and areas that may appear to be uneven firing on the back (see photos 17-18 for examples).