Commander Dennis (NES Commando)

I am Dennis, a 43-old NES PAL B collector. Together with another NES PAL B collector buddy, we run a German YouTube channel called "NES Commando". We plan to release a video later about prototypes in general and plan to link to the ROMs on HP. We are also authors of the NES PAL B Collector's Guide in which we have planned an article about prototypes (3rd edition release is due in Q1 2023).