Back-Of-The-Book Stock. Various better in stockbook; with Zepps including #C13 x4 (3 plate singles) and 3 complete sets, C18 plate block used, modern errors, couple Providence provisional reprint sheets, regular issues large die proofs and revenue essays including blocks. Estimate  $4,000 - 6,000. $0

Back-of-the-Book Stock. Mostly mint multiple singles issues arranged in 2 stockbooks, good range of airmails 1st & 2nd issues and later, special deliveries, good range of dues and Parcels to the 75¢, unexploded booklets and Ducks including later plate blocks; condition varies, worth evaluation. Estimate  $1,500 - 2,000. $0