used REVENUES: Gas Inspection, 1897-1901 used collection with red or blue controls and comprising 60c. (13), 75c. (5), $1 (6, one on 1904 certificate), $2 (13) and $10 (10), a few in pairs or strips; generally fine

Details
used REVENUES: Gas Inspection, 1897-1901 used collection with red or blue controls and comprising 60c. (13), 75c. (5), $1 (6, one on 1904 certificate), $2 (13) and $10 (10), a few in pairs or strips; generally fine