Lot
2186 
1917, 50¢ light violet, bottom margin block of 4, o.g., hinge remnants, strong color, fresh and Fine, a very scarce multiple; with 2015 P.F. certificate. Scott No. 477 $4,000.
The 1917 50¢ stamp was produced for only a very short period. It was released three weeks before the new 1917 Perf. 11 issue and was only used for a short period before being replaced by the new issue.
Realized: $1,250