I found the picture on this site of the Tifi-A Anton that was captured and renamed NB-11.
Here is a longer list of the "Tintenfisch" Anti-partisan craft I was sent some years ago. Does anyone have any pictures or information of any of the rest of these?
TIFI D, ex BENVENUTO CELLINI, was a cargo trabaccolo built in 1936 by Elio Gaetani at Porto Civitanova, 111 grt, about 290 t displacement, owner Federico Guido Cellini of Porto Civitanova, requisitioned by the Regia Marina on 5.10.1940. In German hands 10.9.1943 at Venice, at first used for the cargo traffic inside the Lagoon. On 5.4.1944 TIFI D=DORA for the Kriegsmarine, May 1944 fitted with diesel engine and renamed G 231, set on fire and blown up on 18.8.1944 by gunnery of RN MGBs SE of Livika.
TIFI M ex SARDINA, a wooden-hulled fishing vessel built in 1944 by Cantiere Navale Istria SpA at Capodistria, 121 grt, 150 tdw, 88 nrt, about 365 t displ. Completed 30.4.1944 for the Soc. di Armamento Pugliese of Trieste, on the same date in Kriegsmarine service as TIFI M=MAX (Q-ship), 5.1944 renamed G 235, sunk 1945 at Trieste, salved and repaired 1946, July 1946 SARDINA for the same owner, 1952 LUIGINO M. for Ciro Mancino of Procida, 1954 BELLA MARIA for Michele Scotto di Aniello of Monte di Procida, 1961 to Vincenzo Armerico Fevola of the same port, 1962 to Antonino Provenzano and others, Livorno, 1960s to Salvatore Tastro of Torre del Greco, 1967 to Francesco Macoretta of Pantelleria, 1976 to Mario Savorna of Palermo, 1978 to Soc. Mediterranea of Palermo. Lost her grading 1.1978, stricken from RINA in 1982.
TIFI P ex PAPALINA, another wooden-hulled fishing vessel built in 1944 by Cantiere Navale Istria SpA at Capodistria, 123 grt and 150 tdw, 95 nrt, about 370 t displ. Completed 30.4.1944 for the Soc. Armamento Pugliese of Trieste, simultaneously requisitioned by the KM as TIFI P=PAULA, May 1944 renamed G 234. May 1945 abandoned at San Rocco (Trieste) and returned to her owner. 1951 S. ANTONIO M. for Ciro Mancino of Procida, 1954 renamed S. RAIMONDO, 1961 to Federico Scotto d'Antuono of Monte di Procida, 1962 to Maria Luisa Di Costanzo (same port), 1966 sold abroad.
Sources: "Repertorio di Marina Mercantile" by AIDMEN (Ilo Barbensi and Giorgio Spazzapan); Groener vol. 8/2.
(from Groener ):
TIFI G=GUSTAV ex VICENTRICE (?), 240 tdw, in May 1944 G 232, in Sept. 1944 still operational at Dubrovnik.
TIFI J=JOT ex ELKA (?), 240 tdw, completed for the Oberwerftstab Admiral Adria 3.4.1944, later G 233, on fire & sunk 18.8.1944 by torpedoes of MTB E. of Spavici.
VIRGINIA (ex SYR 669?), built '40s Fiume Dockyard, 150 tdw, Sept. 1943 under conversion, later G 237. However, Byron Tesapsides, "Die Kriegsmarine in der Aegaeis im II Wk. 1941-44" (2008) writes that VIRGINIA (Syros no. 669), 39 grt, was used in 1943 as a Crete supply vessel and in 1944 as the KM G 237.