1889 plain cover franked with a 2¢ green Washington stamp (Scott #213, 1883 issue). N.Y. & Washington RPO Night cancel, November 21, 1889. Pittsburgh, Pennsylvania received cancel November 22, 1889 on reverse. Previous collector identification notation "238-C-1" on front. Prior collector valuation of $75.00 noted in pencil on reverse.

• Sender: Unknown — no corner card or return address
• Addressee: Mr. Chas. I. Patterson, #64 6th Avenue, Pittsburgh, Pennsylvania
• Stamp: 2¢ green Washington — Scott #213, 1883 issue
• Postmark: N.Y. & Washington RPO Night cancel, November 21, 1889 — Pittsburgh, PA received cancel November 22, 1889 on reverse
• Notations: Collector catalog notation "238-C-1" on front — prior valuation $75.00 on reverse
• Condition: Good — age toning, light edge wear, cover intact, stamp and cancels clear