#RB651919 1c Proprietary Stamp - offset, perf 11, dark blue
$0.50- $0.75 #RB671919 3c Proprietary Stamp - offset, perf 11, dark blue
$1.00- $2.50 #RB321914 1/8c Proprietary Stamp - offset, watermark, perf 10, black
$0.50- $1.00 #RB681919 4c Proprietary Stamp - offset, perf 11, dark blue
$1.00- $3.75 #RB691919 5c Proprietary Stamp - offset, perf 11, dark blue
$1.50- $5.00 #RB341914 3/8c Proprietary Stamp - offset, watermark, perf 10, black
$0.65- $1.00 #RB481914 5/8c Proprietary Stamp - offset, watermark, perf 10, black
$0.50- $1.00 #RB581914 4c Proprietary Stamp - offset, watermark, perf 10, black
$0.65- $1.25 #RB451914 1/4c Proprietary Stamp - offset, watermark, perf 10, black
$0.50- $0.75 #RB501914 11/4c Proprietary Stamp - offset, watermark, perf 10, black
$0.65- $1.25 #RB441914 1/8c Proprietary Stamp - offset, watermark, perf 10, black
$0.65- $1.00 #RB461914 3/8c Proprietary Stamp - offset, watermark, perf 10, black
$0.70- $1.50 #RB521914 17/8c Proprietary Stamp - offset, watermark, perf 10, black
$1.15- $2.25 #RB331914 1/4c Proprietary Stamp - offset, watermark, perf 10, black
$1.75- $5.50 #RB541914 21/2c Proprietary Stamp - offset, watermark, perf 10, black
$1.50- $3.25 #RB361914 1 1/4c Proprietary Stamp - offset, watermark, perf 10, black
$1.95- $9.00 #RB351914 5/8c Proprietary Stamp - offset, watermark, perf 10, black
$2.95- $12.00 #RB241898 1c Proprietary Stamp - Rouletted 5 1/2, dark green
$0.65- $3.50 #RB471914 1/2c Proprietary Stamp - offset, watermark, perf 10, black
$4.25- $6.75 #RF11894 2c lake,unwmk,engr,roul 51/2
$0.50- $1.50