Lot
2700 
1923, 4¢ Martha Washington & 9¢ Jefferson, tied by Washington D.C. double oval on a combination First Day Cover, sent registered Newton Center Mass., First Day postmarks on reverse, Very Fine, ex-A. Martin; with 1991 P.F. certificate. Scott No. 556, 561 Estimate $750 - 1,000.
A very scarce combination First Day Cover; Scott prices a combination First Day Cover of the four values that were issued on January 15 - 2¢, 4¢, 9¢ & 10¢ - at $3,500.
Realized: $425