1917 50¢ #517
Benjamin Franklin
50¢ Red violet or violet
118,103,000 - Flat Plate - Perf. 11 - Unwatermarked
Scott #517 - 1917
VALUE
Used: $1-$2
No postmark with gum (MH): $8-$30
Full perfect gum, no postmark, no trace of stamp hinge mark (MNH): $25-$90
50¢ - Flat Plate - Imperforate between stamps
Scott #515b - 1917
VALUE
Used: $5,250
No postmark with gum (MH): No sales recorded
Full perfect gum, no postmark, no trace of stamp hinge mark (MNH) No sales recorded
50¢ - Flat Plate - Perf. 11 x perf 10 (top or bottom)
Scott #515c - 1917
The perf 10 was due to an improperly repaired perforating wheel
VALUE
Used: $13,500-$15,000
No postmark with gum (MH): No sales recorded
Full perfect gum, no postmark, no trace of stamp hinge mark (MNH) No sales recorded