Auction #50

5m (#2) - "Sandwich Groups" - a mixture of papers 6 pl bls: a) grp 44  #29330 & 29682 on Thin White paper instead of the Thin Yellow of the grp; b) grp 45 #29720 on Transparent paper instead of the Thin White of the grp; c) grp 46 #30704 on Transparent paper instead of the Thin Yellow of the grp; d) grp 47 #33431 & 33755 on Thin Yellow paper instead of the Thin White of the grp; grp 47 trace of hinge, all others u/m, vf (x6) unusual & scarce