I’ve acquired a complete Gibson Model A tractor minus the original gas tank. Any information out there on acquiring an original fuel tank? Thanks!

Just came across this forum so I joined and am now introducing myself. Firstly I'm retired from the telephone company. Started with Mtn Bell, chg'd name to US West, then Qwest (that's who I retired from) and get my pension checks from CenturyLink. Now we are Snowbirds, spending our summers...