MK I, MK II, MK III, MK IV and MK V 50 GBP. You can buy one in the For Sale section.
I have 110 models of arcade pcb to jamma adaptors. They are 20 GBP each. You can also buy one in the For Sale section. The arcade pcb to jamma adaptors will save you a lot of time wiring up an adaptor. It is very likely that i will have an adaptor for your arcade pcb.
Delivery for one arcade supergun motherboard or arcade pcb to jamma adaptor within the United Kingdom is around 2 GBP. International delivery is around 7 GBP. There may be a small price for multiple purchases.
You can buy an arcade supergun motherboard or arcade pcb to jamma adaptor with a credit or debit card. The payment is protected by ssl.