


http://www.hawaiianstamps.com/boston_lithograph.htmlrecently Gerhard Lang has revealed P R TORRES forgeries ... not included in boston study.

article by Gerhard ...
https://aps.org.au/index.php?gf-download=2020%2F09%2FAJP153-September-2020_1-3.pdf&form-id=30&field-id=18&hash=743269cf2c10a01269a847712352bb97a437de8000dc3c10f4e1767313ea3f6a&TB_iframe=true

http://www.hawaiianstamps.com/boston_lithograph.html
the issue attracted several forgers , including sperati.
the study is thorough, yet ID-ing items is still hit or miss ...
https://colnect.com/en/stamps/list/variant/741012
https://hpshawaii.com/bulletins/
priceguide

re: HAWAII - BOSTON LITHOGRAPH ISSUES
recently Gerhard Lang has revealed P R TORRES forgeries ... not included in boston study.

article by Gerhard ...
https://aps.org.au/index.php?gf-download=2020%2F09%2FAJP153-September-2020_1-3.pdf&form-id=30&field-id=18&hash=743269cf2c10a01269a847712352bb97a437de8000dc3c10f4e1767313ea3f6a&TB_iframe=true