California Penny Post Co., 1855-59, 7¢ Black. Impressed on U.S. 3¢ envelope (No. U10). On fresh 1853, 3¢ Nesbitt entire with San Francisco pre-printed address and letter directive alongside showing error in "Daguerreotypes" variety, canceled by "Sacramento City, Cal., Apr 4" cds, Extremely Fine, ex-Lichtenstein and Golden, with 2000 P.F. certificate (as a 34LU15A).
Scott No. 34LU16; Estimate $4,000 - 6,000.

ONE OF THREE KNOWN EXAMPLES OF THIS CALIFORNIA PENNY POST CO. 7¢ ORNATE BOXED FRANK ON BUFF ENTIRE.

There are two known examples of this frank with similar address and directive printing mailed on the same day in Sacramento. Another example used from San Jose has a different address form and directive. Est. $4,000-6,000 (Image)

Est. $4,000-6,000

California Penny Post Co., 1855-59, 7¢ Black on Buff. Printed frank on buff cover with uncancelled 1851 3¢ dull red (trivial wrinkle), origin unknown but to San Francisco "Cor[ner] Wash + East, on board Store Ship", "Pacific Express Co./San Francisco Jun 30" blue-green double circle handstamp at left so evidently delivered by Pacific, Very Fine.
Scott No. 34LU11; Estimate $3,000 - 4,000.

A rare of example of the Penny Post 7¢ fee paying for "transmitting by express letters received after the mails are closed" instead of the more usual "conveying a letter to the P.O. in one city and delivering the same in another". Est. $3,000-4,000 (Image)

Est. $3,000-4,000

California Penny Post Co., 1855-59, 7¢ Black on White. On fresh 1853, 3¢ Nesbitt entire (U9) to San Francisco, canceled by "Sacramento City, Cal., Apr 4" cds (1856) circular datestamp, Extremely Fine, ex-Dale-Lichtenstein and Golden, with 2000 P.F. certificate.
Scott No. 34LU10a; Estimate $3,000 - 4,000.

BELIEVED TO BE THE FINEST KNOWN EXAMPLE OF THIS CALIFORNIA PENNY POST CO. 7¢ PLAIN BOXED FRANK ON WHITE ENTIRE. Est. $3,000-4,000 (Image)

Est. $3,000-4,000

California Penny Post Co., Stockton. Circular handstamp on 1853, 3¢ Nesbitt entire addressed to San Francisco, manuscript "Paid" in pencil and indicia canceled by "Stockton, Cal., Aug 29" cds, cover readdressed to H.L. Goodwin who was the proprietor of the California Penny Post; upper left corner nick, otherwise Very Fine, ex-Dale-Lichtenstein.
Estimate; $1,000 - 1,500.

A SCARCE PENNY POST CO. USE FROM STOCKTON CAL. TO SAN FRANCISCO. Est. $1,000-1,500 (Image)

Est. $1,000-1,500