Early-20th-century American postcards

Two vintage-style paper postcards, appearing consistent with the Divided Back era (c. 1907-1915), are displayed within a gray mounting album. Both cards bear green circular one-cent U.S. postage stamps depicting a profile portrait. Postmarks are visible on both items; the upper card features a San Francisco, CAL cancellation dated June 16, 12:30 PM, 1909, while the lower card shows a similar San Francisco mark dated June 16, 10 AM, 1909. The cards contain handwritten cursive messages in dark ink, addressed to a recipient in Leetsdale, Pennsylvania. The lower card carries a printed manufacturing mark reading 'Bardell Art Printing Co., S.F. Cal.' along the left margin. Stylistically, the paper shows mild yellowing and age-toning, with slight corner wear where they meet the album slots. The items exhibit physical characteristics consistent with authentic correspondence from June 1909, such as the 'BARDELL PRINT' stamp and the specific postage used at that time, though the lack of physical inspection means they are identified here as stylistically consistent with the period.

Based on the images provided, I have examined these two postcards which appear stylistically consistent with the Divided Back era of American deltiology, specifically from 1909. While I cannot verify the physical paper stock or ink chemistry from a photograph, the items bear markings consistent with the Bardell Art Printing Co. and feature domestic one-cent postage stamps and San Francisco postmarks that align with the period. In my assessment, the value of these items is derived primarily from their status as historical correspondence. The market for common early-20th-century postcards remains relatively stable but accessible, with collector interest driven by the 'Divided Back' layout and specific regional interest in San Francisco ephemera. The presence of handwritten messages adds sentimental appeal but does not significantly elevate the financial value unless the sender or recipient is historically significant, which cannot be determined here. This estimate assumes the items are period-appropriate examples; if they were found to be modern digital reproductions or reprints, the value would be negligible. To confirm the nature of these cards, an in-person inspection would be required to analyze the printing process—specifically looking for the characteristic lithographic grain of the era versus modern half-tone patterns. Verification of the adhesive and paper acidity would also be necessary. For a more formal determination, provenance documentation or a physical review by an ephemera specialist would be recommended.