Not trying to be nosy, but are you sure you need one? Pretty rare for a coil to fail. If you are not getting spark, I'd check the plug, cap, etc. and also ensure the engine stop switch is working okay. Here's how to inspect & adjust the coil:
And here is the part details for the coil:
Coil Assy., Ignition, is Honda Part Number 30500-ZL8-014.