Historama Autumn Mail Auction #5

1948 Polish "service suspended" mail to Palestine: 8-4-1948 air letter stationary (VI-1937 ed.) ex WARSAW to TLV, franked 25Zl in place of obliterated pre-frank & tied by local machine cancel; as under-franked for a/m, marked by bilingual Pol/Fr "Insufficient fee for air transport" & sent by surface mail, here via UK: as of 7 APR, UK suspended s/m to Pal., so marked cv "No Service | Return to Sender" IM h/s K-Type-IV - would have been marked by "Air Mail Service Only" IM, but reached UK after 25 APR a/m suspension; RTS.