Is it more valueable to keep Israeli postage stamps on aerograms or remove them?

Answer:
Keep them on the envelope or aerogram. These 'Entires' show postal use and are often desired by collectors, particularly if the envelope has designs on them.
Contributor: Aggie80
First answer by Aggie80. Last edit by Aggie80. Contributor trust: 4976 [recommend contributor recommended]. Question popularity: 1 [recommend question].