#PHC541936 2c on 4c carmine, Philippine Islands Airmail
$0.65- $1.00 #PHC561936 16c on 26c Philippine Islands Airmail, blue green, (Bk)
$0.85- $1.25 #PHC521935 10c Philippine Islands Airmail, rose carmine,unwatermarked, perf 11
$1.00- $1.50 #PHC471933 4c Philippine Islands Airmail, rose carmine, unwatermarked, perf 11
$0.95- $1.50 #PHC481933 12c Philippine Islands Airmail, orange, unwatermarked, perf 11
$1.40- $2.00 #PHC501933 24c Philippine Islands Airmail, deep violet,unwatermarked, perf 11
$1.00- $1.40 #PHC511933 32c Philippine Islands Airmail, olive brown,unwatermarked, perf 11
$1.75- $2.50 #PHC491933 20c Philippine Islands Airmail, yellow, unwatermarked, perf 11
$1.00- $1.40 #PHC531935 30c Philippine Islands Airmail, orange red,unwatermarked, perf 11
$1.10- $1.40