| 171Free Trade WharfUniversity of Michigan Museum of Art, Ann ArborAccession no: 1954/1.364 State: 7/8 |  | 
| Collection credit: | Bequest of Margaret Watson Parker | 
| Image credit: | Photo © The University of Michigan Museum of Art | 
| Provenance: | Margaret Selkirk Watson Parker (1867-1936), Detroit, MI; bequeathed to the University of Michigan Art Museum, MI, 1954. | 
| Paper size: | 205 x 299 mm | 
| Plate mark size: | 98 x 188 mm | 
| Paper trimmed to pmk?: | no | 
| Colour of the paper: | ivory | 
| Paper type (wove, laid, Japan etc): | laid | 
| Note on the paper: | |
| Tab?: | no | 
| Watermarks: | B / TH in elaborated circle (Chicago watermark 62) | 
| Medium: | etching and drypoint | 
| Ink colour: | black | 
| Additional work on the print, e.g. in pencil: | no | 
| Print tone: | no | 
| Note on foul biting: | light, granular foul biting over the water, except in the centre, where a boat was scraped and burnished out | 
| Print note: | 
| Whistler's sign on plate: | butterfly | 
| Inscriptions by Whistler on the plate: | '[…]ACKS' (back to front, on warehouse roof) | 
| Inscriptions by others on the plate: | no | 
| Whistler's signature on paper: | no | 
| Inscriptions by Whistler on the paper: | no | 
| Tab signed/inscribed: | no | 
| Note on the tab: | 
| Printer's signature (e.g. Goulding): | no | 
| Notes on inscriptions: | |
| Collector's mark: | no | 
| Dealers' stock nos: | 'C.20658' | 
| Misc inscriptions by others: | Kennedy number, state and title at lower right by Harold Wright | 
| Source of information: | Whistler Etchings Project and museum records | 
| ID: | K1630302 | 
All inscriptions are in graphite pencil unless otherwise stated.
