United States, Railroad Cover Collection. 18 covers mounted on pages, several scarcer postmarks including Boston & Finchburg R.R., Chicago - Greenbay R.R., Housatonic R.R. (2 types), Naugatuck R.R., and N.H. & Bellows Falls R.R., including N.Y. & Phila R.R. postmark with Boyd's local post usage; condition mixed, worth examination. Estimate  $500 - 750. $0