I was recently shopping for some film, and I noticed that B&H has these obsolete sizes available. The prices are high, $10-14 per roll. The pictures look like these have been respooled from other stock. I don't know where the backing paper would have come from for the 127 and 828 sizes. In any case, Fuji RDP-111 is available in 127 and Velvia 100F in 620; Kodak Portra 160VC, PX, TMX, TMY, TX, and E100G are available in 620; Kodak Portra 160NC is available in 127 and 828.