10.5  15cm, 2pp artist postcard displaying a photograph of Yoko Ono's single Kiss Kiss Kiss on the front and verso postcard design. The card design is by Paul Baars and part of his "Concept Single Wishes".  The card has a neatly ink handwritten message in Dutch from "Tamara" to Jan van der Toon else VG.

9.4 x 13.7cm, 1pp announcement card printed in blue on light gray stock for a performance by the group. VG+.

10.4 x 24.3cm, 2pp artist's announcement card printed in green on cream card stock. The card lists the various events/actions on the back in the form of a pseudo menu.

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Original 14.2 x 25.8cm manilla envelope over rubber stamped by Hidalgo on the back with his address and "Impressos" on the front. The envelope is had addressed in ink to the musician and Fluxus artist David Tudor probably by Hidalgo. Stamped and franked but neatly opened.

17 x 9.6 cm, 2pp artist's card printed in black on recto and verso on brown card stock. On the front is a text in Spanish "Nuestro calendario universal, como a nadie se le escapo, era un objeto sexual de combinaciones multiples. Teniendo en cuenta numerosas sugerencias de nuestros amigos y seguidores, enviamos ahora este suplemento, a la intencion de todas aquellas personas a quienes las dimensiones de los troqueles del calendario resultan excesivas en funcion de sus posibilidades. Las nuevas formas y tamaños, que esperamos sean mas adecuados, se han realizado siguiendo las sugerencias recibidas hasta la fecha. Teniendo en cuenta dichas sugerencias. and on the back of the card has a text: "Y recuerde que el asunto de la tranlarenda no tiene enmienda".

This is a supplement for the Universal Calender issued by Zaj in 1967 with symbols which can be utilised in the calendar. VG+.

13 x 8.5cm, die cut egg-shape announcement card printed pink on white.

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Hand printed (rubber stamp) envelope with Hidalgo's address on one side and 'Impresos" on the other.

Both fine and rare.

10.5 x 15cm, 2pp announcement card for a show of self-playing instruments by Joe Jones - installation view on front in colour, verso gallery details. Unmailed example - VG+.

Standard vintage 45 rpm single record in recent reprinted sleeve. A recording of sound poetry by Chopin. Limited edition of 50 copies. VG+ in like sleeve.

Rome: Sala Borrimini, 1977

68.5 x 32.5 c bllack and orange offset poster for a series of musical performances organised by F. Sargentini. Participants include Salamat Ali Khan, M. Balamurali Krishna, Charlemagne Palestine, La Monte Young, B. Swarnamukhi, and Joan Jonas. Exceptionally rare poster for this event bringing modern and ancient music together. Some small in holes in corners, minor handling creases leaving slight light areas on front else VG. As noted very rare.

Rome: Sala Borromini, 1977

26,5 x 19.5cm, 16 pp plus card covers. The extremely rare program for a series of concerts and performances in Rome featuring La Monte Young, Joan Jonas, Ustad Salamat Ali Kahn, Dr. M. Balamurali Krishna, Kumari B. Swarnamukhi, and Charlemagne Palestine, with lighting by Marian Zazeela. The program has texts from Jonas and Zazeela, alongside profiles on the performers edited by Fabio Sargentini. There are 5 b/w photo-portraits of participants and one of a telegram sent by Palestine.

There is a brown mark on the first inner page which has slightly affeted the inside cover but else this is VG+. Very few copies exist.

10.5 x 15cm, 2pp announcement card for the release of a audio-art collection of cassettes and a related exhibition. Image on front by Collette Ruch and verso gallery/publication details. VG+.