Chiaroscuro woodcut from 2 blocks, orange/black, only state. See comment in ALU.0958.1 from Naoko Takahatake, The Chiaroscuro Woodcut in Renaissance Italy, exhibition catalogue, Los Angeles County Museum of Art, June-September 2018, National Gallery of Art, Washington D.C, October 2018-January 2019, DelMonico Books/Prestel, Munich-London-New York, 2018, pp.109-111
Other impressions:
-Harvard G7500: green/black https://hvrd.art/o/279662 ALU.0958.1
-PMA 1985-52-556: light brown/black https://philamuseum.org/collections/permanent/30112.html?mulR=270823916|33
-PMA 1985-52-192: green/black https://philamuseum.org/collections/permanent/30110.html?mulR=1725776924|25
-PMA 1985-52-2131: orange-black https://philamuseum.org/collections/permanent/30109.html?mulR=2121431891|22
-MMA 22.73.3.44: brown/black (wmk large fleur de lys, not in circle) https://www.metmuseum.org/art/collection/search/361903
-MMA 62.635.843a: gray/black (wmk large fleur de lys, not in circle) https://www.metmuseum.org/art/collection/search/631852
-GDSU 15948: orange-rown/black (wmk orb surmounted by cross?)
-Budapest 6260: light olive/black (wmk large fleur de lys, not in circle) http://printsanddrawings.hu/search/prints/6260/
-ENSBA Est Mas 63: liquid brown/black (wmk crown and star in circle)
-V&A E.287-90: liquid brown/black (wmk crown and star in circle)
-V&A 22952: gray-brown/black (wmk crown and star in circle)
-BM 1895,122.1269: light green/gray (wmk crossed arrows with star) https://www.britishmuseum.org/collection/object/P_1895-0122-1269
-BM W,4.78: light brown/black https://www.britishmuseum.org/collection/object/P_W-4-78
-BM W,4.79: brown/black https://www.britishmuseum.org/collection/object/P_W-4-79
-BnF RESERVE EA 26 BOITE FOL: light blue/dark gray
-BnF BD 5 Mazzuoli light brown/black -Berlin 980-19: orange/ black (worn blocks)
-Berlin 961-19: orange-brown/black
-Blanton 2002.1318: blue-green/gray https://collection.blantonmuseum.org/objects-1/info?query=mfs%20all%20%22antonio%20da%20trento%22&sort=0&page=6
-Braunschweig I.XVI.1: gray-brown -Chatsworth vol IV, fol 66 no.89: brown/black (early)
-Escorial 28-1-19 fol 106: ocher/black https://rbmecat.patrimonionacional.es/cgi-bin/koha/opac-detail.pl?biblionumber=31870&query_desc=kw%2Cwrdl%3A%20Parmigianino
-Fitzwilliam: olive/black
-Harvard G7501: liquid brown/black https://hvrd.art/o/279242
-Harvard M9913: brown/black (block wear) https://hvrd.art/o/262687
-Harvard M9913: yellow/gray (block wear) https://hvrd.art/o/262687
-Frankfurt 3390: lavender/black
-Library of Congress: light green/black (wmk small anchor in circle) http://loc.gov/pictures/resource/ppmsca.18660/
-Marucelliana XXV, 17: warm gray/gray (worn block)
-Munich 12153: brown/black (early)
-Achenbach 1986.1.330: orange/brown (wormholes) https://art.famsf.org/antonio-da-trento/man-seated-seen-back-after-parmiginianino-19861330
-V&A 29019: brown/black (early)
-MFA 2002.571: light orange-brown/gray (wmk crossed arrows with star) https://collections.mfa.org/objects/354284/nude-man-seen-from-behind?ctx=8e49f90d-4da5-49ae-867d-503fcc31d542&idx=0
-MFA 25.712: pink/black (late) https://collections.mfa.org/objects/96876/nude-man-seen-from-behind?ctx=126ceb5d-0dad-4538-9496-ebc4135f3ca8&idx=0
-MFA M9723: gray/green-black (early) https://collections.mfa.org/objects/94654/nude-man-seen-from-behind?ctx=61990723-4ba9-41df-99c3-2522fb4f8a76&idx=0
-MFA 21.10854: light yellow-brown/black https://collections.mfa.org/objects/94690/nude-man-seen-from-behind?ctx=2e752e63-1c05-49d9-a0c3-4a9240956728&idx=0
-MFA 1975.562: brown/black (breaks and plug in line block) https://collections.mfa.org/objects/173592/nude-man-seen-from-behind?ctx=cdc2fb2c-15c3-417a-90e6-04ee7387865e&idx=0
-MFA 1975.563: brown/ black (late) https://collections.mfa.org/objects/173594/nude-man-seen-from-behind?ctx=9877ec06-19a0-4b2e-a9e8-e54d976a4212&idx=0
-MFA 1975.561: olive/dark green (break above shoulder and in shading below foot) https://collections.mfa.org/objects/173566/nude-man-seen-from-behind?ctx=496275a3-6412-4043-8edb-f36d32ac2bc6&idx=0
-MFA 1984.835: olive-brown/black (breaks; plug in line block) https://collections.mfa.org/objects/269083/nude-man-seen-from-behind?ctx=a4f64de7-1631-4656-8ea2-08d664d65619&idx=0
-Albertina DG2002/536: light brown/black https://sammlungenonline.albertina.at/#/query/6833fe5e-dce5-40d0-9156-94aaff2ee784
-Albertina DG 2002/537: light green/black https://sammlungenonline.albertina.at/#/query/e14a09d5-b7f9-4eb7-8181-96206a869c69
-Albertina DG 2002/538: orange-brown/black (late) https://sammlungenonline.albertina.at/#/query/ea7cb6fd-8047-439d-9da3-d86c6881461d
-Ashmolean WA1863.5601: brown/black https://collections.ashmolean.org/object/746367
-Kirk Edward Long Collection
-Albertina Baselitz collection (Gnann, no. 83): light brown/black -Baselitz collection (Gnann, no. 84): light green/black
-Baselitz collection (Gnann, no. 85): red-brown/black
-Fondation Custodia inv 817
-Fondation Custodia inv 1974-P.26
-Rijksmuseum RP-P-OB-31.136: light blue/black http://hdl.handle.net/10934/RM0001.COLLECT.51676
-Rijksmuseum RP-P-OB-31.137: light green/dark gray http://hdl.handle.net/10934/RM0001.COLLECT.51679
-Rijksmuseum RP-P-OB-31.138: lime/black (late) http://hdl.handle.net/10934/RM0001.COLLECT.51680
-Rijksmuseum RP-P-OB-31.139: brown/black http://hdl.handle.net/10934/RM0001.COLLECT.51682
-Croatian Academy of Sciences and Arts KG HAZU 5953: brown/black
-Bergamo, Accademia Carrara (https://www.lombardiabeniculturali.it/stampe/schede/C0060-00676/)
-Prague, National Gallery, 2 impressions
-Trento, Castello del Buonconsiglio, inv. 49372, inv. 49373 e inv. 49374