#RS106a1862 2c Proprietary Medicine Stamp - Helmbold's, blue, old paper
$5.50 #RS150d1862 1c Proprietary Medicine Stamp - I.S. Johnson & Co, vermillion, watermark 191R
$3.50- $5.50 #RS280p1898-1900 1/4c Proprietary Medicine Stamp - carmine
$4.50- $6.50 #RS150b1862 1c Proprietary Medicine Stamp - I.S. Johnson & Co, vermilion, silk paper
$4.25 #RS259d1862 1c Proprietary Medicine Stamp - blk,dl wmk, Weeks&Potter
$16.50 #RS114d1862 1c Proprietary Medicine Stamp - J.F. Henry, black, watermark 191R
$4.95 #RS284p1898-1900 1 1/4c Proprietary Medicine Stamp - black
Call for Availability #RS283p1898-1900 2 1/2c Proprietary Medicine Stamp - brown orange
$6.00 #RS278p1898-1900 2 1/2c Proprietary Medicine Stamp - carmine
$19.00 #RO172c1864 1c Proprietary Match Stamp - Star Match, black, pink paper
$2.75 #RS287p1898-1900 5/8c Proprietary Medicine Stamp - green, Hyphen Hole
Call for Availability #RO49d1864 1c Proprietary Match Stamp - Byam, Carlton & Co, black, watermark 191R
Call for Availability #RS305r1898-1900 3 1/8c Proprietary Medicine Stamp - brown
$1.75 #RS290p1898-1900 1/8c Proprietary Medicine Stamp - dk blue, Hyphen Hol
$5.00- $5.50