The Penny Post Company, San Francisco, Collect Penny Postage, 10.(c), printed local delivery express company direction to collect fee, on 3c Red on buff Nesbitt (u 10), cancelled by mostly clear double-lined circle 'Penny Post, San Francisco', to Sacramento, tear at R. into address, mostly light edge soiling, still quite fresh and fine, very scarce, includes list of offices in which local deliveries could be made, most of the other printed envelopes used by this company were 'Paid' franks, rather than 'Collect'