ellenbr,
More than likely a gun from the same shipment. The only difference seen is the stock style.The serial numbers are very close.[ 6 numbers apart].William Powell has excellent records of sales, as a result in most cases thet can provide details of past transactions.
Powell's can be reached by E mail @; sporting@williampowell.com
I believe that John E Long may have been established by the Birmingham business man/financier, and one time guardian of the Birmingham proof house Samuel Buckley J.P. Samuel was also at one time a director of B.S.A.
