https://www.ilfordphoto.com/ilford-o...-ulf-campaign/

Key points:

* Deadline Feb 28; next opportunity may not occur for 18-24 months

* Sheet film sizes - double-asterisk is reminder that 4x5 and 8x10 are standard stock sizes, it's the other sizes that are available only to special order:

1813184 - ORTHO+ 9x12cm 25

1178265 - ORTHO+ 4.75x6.5in 25

1813157 - ORTHO+ 4x5in 25**

1813175 - ORTHO+ 13x18cm 25

1813166 - ORTHO+ 18x24cm 25

1813203 - ORTHO+ 8x10in 25**

1813212 - ORTHO+ 10x12in 25

1177110 - ORTHO+ 12x20in 25

1178256 - ORTHO+ 16x20in 25