E Whitman & Sons. Storekeeper & General Merchant.
Domicile: Birdsville. Queensland.
Denomination: One Pound.
Bank: Underwritten by The Royal Bank of Queensland.
Serial Numbers: 10058/100059.
Grades: Uncirculated.
Banknotes Unofficial Private Issue Promissory Notes.
As a matching pair, these promissory notes do come up onto the market numismatic market, from time as a single issue banknote current prices are around $1000.00.
As a matching pair the RR would be in the order of $2500.00.- $2750.00. not necessarily in the superior grade of Uncirculated.
Reference: SW/MG.