Robert Brown Autographs
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Traded items with a signature of Robert Brown
The most expensive item with a signature of Robert Brown (Robert BROWN / Supplementus Primum Prodromi Florae Novae Hollandiae Signed 1st) was sold in December 2025 for $3,627.65 while the cheapest item (ROBERT BROWN STAR TREK TOS LAZARUS THE ALTERNATIVE FACTOR RARE SIGNED 4X6 PHOTO) found a new owner for $0.99 in September 2020. The month with the most items sold (8) was May 2026 with an average selling price of $63.98 for an autographed item of Robert Brown. Sold items reached their highest average selling price in March 2025 with $295.00 and the month that saw the lowest prices with $1.99 was May 2017. In average, an autographed item from Robert Brown is worth $16.99.
Most recently, these items with a signature of Robert Brown were sold on eBay - click here for more items.
