Envelope, printed. In blue on white at bottom left under the image of a sea-plane "GPA Foynes/ Flying Boat/ Museum". Inside printed with a grey dotted circle pattern and "Zanders/ Zeta/ Matt/ Post" in a rectangle. Addressed in black ball-point to "The Director/ Limerick Museum/ Limerick". Two stamps at top right, Eire archaeology definitive series; Broighter Collar, 32p black on green; Dunamase pot, black on lilac. Circular cancellation on each, "Cill Dalua/ Co. An. Chlair" around "22 XI/ 91".