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Join Date: Sep 2009
Location: Minneapolis: DL DM charter 2.3MM
Programs: A3*Gold, SPG Plat, HyattDiamond, MarriottPP, LHW exAccess, ICI, Raffles Amb, NW PE MM, TWA Gold MM
Posts: 100,334
IME FC blankets are usually folded and sealed in plastic (maybe to signal that they've been cleaned) while the extras in bins aren't. Also, on long/winter/night flights, the extra blankets tend to be claimed very quickly.